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Biology for Non-Majors offers an accessible introduction to the fundamental principles of biology, specifically designed for students without a strong background in science. The course covers essential topics such as cell structure and function, genetics, evolution, ecology, and human biology, emphasizing concepts relevant to everyday life and societal issues. Through lectures, discussions, and hands-on activities, students will develop scientific literacy, an understanding of the scientific method, and an appreciation for the role of biology in addressing real-world problems like health, environment, and biotechnology.
Recommended Textbook
Concepts of Biology 3rd Edition by Sylvia S. Mader Dr
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Q1) In the scientific method,the condition which is deliberately changed is referred to as the
A)control group.
B)experimental variable.
C)control variable.
D)hypothesis.
E)test.
Answer: B
Q2) A diagram showing connections,by descent from a common ancestor,between crocodilians and dinosaurs is an evolutionary tree.
A)True
B)False
Answer: True
Q3) Members of the same species found within a particular area are referred to as A)a community.
B)an ecosystem.
C)a population.
D)an organism.
E)a biospherE.
Answer: C
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Q1) What term describes the tendency of water molecules to cling to the wall of a blood vessel?
A)hydrophobicity
B)buffering
C)cohesion
D)adhesion
E)electronegativity
Answer: D
Q2) Which of the following is not an impact of acid on the environment?
A)hurts human health
B)damages buildings and other human made structures
C)pollution of surface water
D)destroys forests
E)pollution of ground water
Answer: E
Q3) Radioactive isotopes can be used as tracers to detect molecular changes.
A)True
B)False
Answer: True
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Q1) Deoxyribose is the sugar in DNA and ribose is the sugar in RNA.
A)True
B)False
Answer: True
Q2) Which of the following organisms uses chitin for structure and support?
A)bacterium
B)cactus
C)human
D)tree
E)crab Answer: E
Q3) The bond between amino acids is referred to as an amino bond.
A)True
B)False
Answer: False
Q4) For a hydrolysis reaction to occur there must be water and many monomers.
A)True
B)False Answer: False
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Q1) The basic unit of structure and function for all life is the A)molecule.
B)cell.
C)organism.
D)atom.
E)organ.
Q2) What is the function of the cell structure marked "a." on the animal cell diagram?
A)to provide structural support and shape
B)to make energy molecules
C)to break down old organelles
D)to carry genetic information
E)to produce and modify new proteins
Q3) Which of the following parts is found in both plant and animal cells?
A)carbohydrates
B)enzymes for photosynthesis
C)cristae
D)thylakoids
E)chlorophyll
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Q1) According to the fluid-mosaic model,a cell membrane is assembled from
A)a phospholipid bilayer with embedded proteins
B)charged and uncharged fatty acids
C)a bilayer of glycolipids on top of cholesterol
D)microtubules that keep it intact
E)only proteins functioning as enzymes
Q2) A cell placed in a hypotonic solution will
A)lose water.
B)neither gain nor lose water.
C)both gain and lose water equally.
D)Gain water initially and then lose water
E)gain water.
Q3) What does "E" represent in the diagram of the plasma membrane?
A)peripheral protein
B)phospholipids bilayer
C)cytoskeleton
D)hydrophilic heads
E)glycolipid
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Q1) The reason why most leaves are green is that they absorb the green wavelengths of light.
A)True
B)False
Q2) The major advantage of the CAM pathway is A)oxygen conservation.
B)adaptation for wet conditions.
C)adaptation for cool temperatures.
D)that it allows the plant to keep its stomata open during the day.
E)water conservation.
Q3) A biologist is studying the formation of carbohydrate during photosynthesis,so the best part of the chloroplast to study would be what?
A)chloroplast stroma
B)outer chloroplast membrane
C)inner chloroplast membrane
D)thylakoid membrane
E)thylakoid space
Q4) Photosystem II evolved before Photosystem I.
A)True
B)False

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Q1) If you follow a low-fat,high-carbohydrate diet,it is likely you will
A)experience no change in body weight because your body will not receive enough lipids to synthesize fat.
B)lose weight because you must consume lipids in order to synthesize fat.
C)gain weight because intermediates from cellular respiration can be converted to fat.
D)gain weight because you will retain water.
E)lose weight because you will become dehydrated.
Q2) In which of the following events of cellular respiration is no ATP produced?
A)electron transport chain
B)glycolysis
C)Krebs cycle
D)preparatory reaction
E)chemiosmosis
Q3) Degradative reactions which break down molecules are referred to as A)deamination.
B)anabolism.
C)catabolism.
D)fermentation.
E)cellular respiration.
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Q1) If a diploid parent cell undergoes mitosis,then afterwards there will be
A)four haploid daughter cells
B)two haploid daughter cells
C)two diploid daughter cells
D)one haploid daughter cell and one diploid daughter cell
E)four diploid daughter cells
Q2) The new chromosomes which separate after metaphase are known as
A)sibling chromosomes.
B)daughter chromosomes.
C)artificial chromosomes.
D)homologous chromosomes.
E)copied chromosomes.
Q3) What material is seen when examining a chromosome in its relaxed form?
A)chromatin
B)chromatids
C)centromeres
D)centrosomes
E)cytokinesis
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Q1) The second meiotic division is essentially a mitotic division except for the fact that the cells produced are
A)diploid.
B)somatic.
C)haploid.
D)polyploidy.
E)autosomal.
Q2) An organism that has more or less than the normal number of chromosomes is called:
A)haploid.
B)tetraploid.
C)aneuploid.
D)triploiD.
E)karyoploid.
Q3) In the figure of the life cycle of humans,what does "d" represent?
A)fertilization
B)zygote or embryo
C)gamete production
D)mitosis
E)meiosis II
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Q1) Both parents are heterozygous for the autosomal recessive Tay-Sachs disease.If three children in a row were born with Tay-Sachs disease,what are the chances that the next child will have Tay-Sachs disease?
A)25%
B)50%
C)75%
D)100%
E)0%
Q2) A testcross occurs when an individual with the _____________ is crossed with an individual having the ______________.
A)homozygous dominant,heterozygous recessive
B)dominant phenotype,dominant phenotype
C)dominant phenotype,recessive phenotype
D)heterozygous dominant,homozygous recessive
E)homozygous recessive,homozygous recessive
Q3) Individuals who are heterozygous for the sickle-cell disease have an increased resistance to the protozoan which causes malaria.
A)True
B)False
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Q1) Which of these items is critical for translation,but indirectly only?
A)mRNA
B)rRNA
C)tRNA-amino acid complex
D)DNA
E)Ribosome
Q2) Which of the following is true about DNA rather than RNA?
A)RNA transfers messages from DNA to ribosomes.
B)RNA contains the sugar ribose.
C)RNA is single stranded.
D)RNA contains the sugar ribose
E)RNA contains adenine,guanine,uracil,and cytosinE.
Q3) In semiconservative DNA replication,each new double helix formed will have
A)three new strands in one helix and three old strands in the second helix.
B)one new strand and one old strand in each helix.
C)two new strands and two old strands in each helix.
D)two new and one old strand in one helix and two old and one new in the second helix.
E)only new strands in each helix.
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Q1) Alternative mRNA splicing can lead to more than one protein product being made from the information in one gene.
A)True
B)False
Q2) Which type of gene expression control occurs after the protein has been synthesized?
A)translational control
B)posttranslational control
C)inducible control
D)posttranscriptional control
E)transcription control
Q3) Which molecules regulate the process of transcription by binding genes and turning on their expression?
A)transcriptional factors
B)posttranslational control promoters
C)repressible control factors
D)translational factors
E)heterochromatin factors
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Q1) The bacterial vector used for manipulating DNA is called a A)plasmid.
B)retrovirus.
C)protoplast.
D)virus.
E)chromosomE.
Q2) This figure shows the procedure for making clones to produce human growth hormone.What does "C" represent?
A)development within host goat
B)development within goats
C)transgenic goat producing human growth hormone
D)cloned transgenic goats producing human growth hormone
E)microinjection of a human gene
Q3) The human proteome is the complete collection of proteins that humans produce.
A)True
B)False
Q4) In general,people tend to think that genetically modified food is safe and will have no long-term health effects.
A)True
B)False
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Q1) The raw material for evolutionary change is
A)gene flow.
B)genetic drift.
C)mutation.
D)nonrandom reproduction.
E)natural selection.
Q2) Which type of natural selection occurs when an intermediate phenotype is favored?
A)disruptive selection
B)directional selection
C)genetic drift selection
D)stabilizing selection
E)adaptive selection
Q3) Besides mutation,which of the following is important in generating phenotypic differences?
A)sexual reproduction
B)genetic drift
C)gene flow
D)stabilizing selection
E)microevolution
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Q1) This figure shows various reproductive barriers which prevent the interbreeding of different species.What does "b" represent?
A)gamete isolation
B)temporal isolation
C)hybrid sterility
D)postzygotic isolation mechanisms
E)prezygotic isolation mechanisms
Q2) If you were studying postzygotic isolation mechanisms,which of the following would you be studying?
A)mechanical isolation
B)temporal isolation
C)behavioral isolation
D)habitat isolation
E)hybrid sterility
Q3) The evolution of whales involved the loss of hind limbs.
A)True
B)False
Q4) The rate of speciation is generally uniform.
A)True
B)False
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Q1) If you were making a diagram which indicates common ancestors and lines of decent or lineages,you would be making
A)a phylogenetic tree.
B)a homology tree.
C)a convergent tree.
D)an analogy tree.
E)a parallel treE.
Q2) If you were studying the shortest geologic timeframe,you would be studying which of the following?
A)strata
B)epochs
C)strata.
D)eras
E)periods.
Q3) Which of the following levels of taxonomy is the most inclusive?
A)genus
B)class
C)species
D)order
E)phylum
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Q1) If you were a microbiologist studying what happens to some bacteria when faced with unfavorable environmental conditions,you would be studying A)transduction.
B)conjugation.
C)transformation.
D)endospore formation.
E)binary fission.
Q2) Archaea which live in high-salt concentrations are referred to as A)thermophiles.
B)acidophiles.
C)methanophiles.
D)cyanophiles.
E)halophiles.
Q3) Which of the following true of bacteria rather than viruses?
A)They are noncellular.
B)They are prokaryotic.
C)They can cause disease.
D)They are parasitic.
E)They can have RNA or DNA.
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Q1) If you were writing a paper on the beneficial aspects of the protists for humans and the environment,which of the following would be excluded from your paper?
A)They have a parasitic relationship with some organisms
B)They can give off oxygen
C)They can be a major component of plankton
D)They can form symbiotic relationships with corals
E)They serve as a food source for many organisms
Q2) Which algae share most of the characteristics of plants?
A)dinoflagellates
B)diatoms
C)red
D)brown
E)green
Q3) All diseases caused by protozoans must be transmitted by a vector.
A)True
B)False
Q4) The valves of a diatom are made of silica.
A)True
B)False
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Q1) This figure shows the alternation of generations.What does "c" represent?
A)meiosis
B)mitosis
C)haploid
D)sporophyte
E)fertilization
Q2) Which statement is true for some close relatives of ferns but not for ferns themselves?
A)The gametophyte stage lacks vascular tissue.
B)The sporophyte stage lacks vascular tissue.
C)Antheridia and archegonia grow on the same structure.
D)Fertilization requires moisture for the sperm to swim to the egg.
E)The sporophyte stage is the dominate generation.
Q3) ________________ are mostly saprotrophic decomposers that assist in recycling of nutrients in ecosystems.
A)Algae
B)Viruses
C)Fungi
D)Plants
E)Protozoans
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Q1) Which infection is caused by a group other than roundworms?
A)Hookworms
B)Trichinosis
C)Elephantiasis
D)Tapeworm
E)Pinworms
Q2) A __________ of a tapeworm contains both male and female sex organs and becomes filled with developing embryos.
A)proglottid
B)scolex
C)cyst
D)gastrovascular cavity
E)nematocyst
Q3) If you were infected with a tapeworm,which kind of worm would be growing inside you?
A)flatworm
B)fluke
C)roundworm
D)earthworm
E)polychaete worm
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Q1) Which of the following paleontologists was the first to unearth Homo erectus bones?
A)Max Planck
B)Raymond Dart
C)Donald Johansen
D)Stephen Stanley
E)Eugene Dubois
Q2) The term mosaic evolution is best described by which of the following?
A)The same species evolve in different parts of the world.
B)Different body parts evolve at different rates.
C)Different species hybridize to form a new species.
D)One species evolves into two or more species.
E)Different species evolve at different rates.
Q3) The famous early hominin of the species <i>Australopithecus africanus </i>is known as
A)Lucy.
B)Sally.
C)Sheila.
D)Eve.
E)Ruth.
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Q1) Plant vascular tissue consists of
A)cortex and suberin.
B)xylem and phloem.
C)epidermis and pith.
D)cambium and cork.
E)parenchyma and sclerenchyma.
Q2) This figure shows the organization of the plant body.What does "d" represent?
A)lateral branch root
B)node
C)internode
D)axillary bud
E)terminal bud
Q3) Which is the correct sequence of zones in a longitudinal section of a root,starting from the root tip?
A)zone of cell division,zone of elongation,zone of maturation
B)zone of cell division,zone of maturation,zone of elongation
C)zone of maturation,zone of elongation,zone of cell division
D)zone of maturation,zone of cell division,zone of elongation
E)zone of elongation,zone of maturation,zone of cell division
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Q1) Which of the following is responsible for providing proteins to the sieve-tube members in plants?
A)tracheids
B)companion cells
C)spongy mesophyll
D)guard cells
E)pallisade mesophyll
Q2) The absorption of toxic substances by plants is referred to as phytoremediation.
A)True
B)False
Q3) Which statement about mycorrhizae is least correct?
A)The fungus increases the surface area available for mineral and water uptake.
B)About half of plants lack mycorrhizae.
C)The fungus breaks down organic matter in soil,releasing nutrients that the plant can use.
D)The plant root furnishes the fungus with sugars and amino acids.
E)The mycorrhizal relationship is mutualistic.
Q4) The contents of the phloem always move down the stem of the plant.
A)True
B)False

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Q1) If you were studying the internal mechanism by which a circadian rhythm is maintained in the absence of appropriate stimuli,you would be studying
A)a biological clock.
B)a short-day clock.
C)a long-day clock.
D)a day-neutral clock.
E)a thigmotropic clock.
Q2) Which of the following is sometimes referred to as the stress hormone because it initiates and maintains seed and bud dormancy?
A)indoleacetic acid
B)abscisic acid
C)cytokinins
D)gibberellins
E)ethylene
Q3) The criterion for designating plants as short-day or long-day is the absolute number of hours of light required to affect flowering.
A)True
B)False
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Q1) Which of the following is used for sexual,rather than for asexual,reproduction?
A)stolons
B)rhizomes
C)tubers
D)stamens
E)corms
Q2) If a flower has both stamens and carpels it is referred to as:
A)whole
B)dioecious
C)perfect
D)staminate
E)incomplete
Q3) A plant physiologist is studying the part of the flower which is used for catching pollen,known as A)the filament.
B)the anther.
C)the stigma.
D)the style.
E)the ovary.
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Q1) If you were studying the functions of the skeletal system,which of the following would not be a subject of your studies?
A)The production of red blood cells
B)The storage of calcium
C)Protection
D)Movement
E)Receiving sensory input from the outside world
Q2) The system which is responsible for collecting extra fluid from the tissues and returning it to the cardiovascular system is the:
A)Respiratory system
B)Digestive system
C)Lymphatic system
D)Urinary system
E)Reproductive system
Q3) The kangaroo rat does not need to drink water.
A)True
B)False
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Q1) This figure shows the anatomy of the human brain.What does "a" represent?
A)The thalamus
B)The cerebellum
C)The corpus callosum
D)The cerebrum
E)The pons
Q2) Both the parasympathetic and sympathetic division are responsible for innervating the internal organs.
A)True
B)False
Q3) The division of the autonomic nervous system which governs responses that occur during times of relaxation and is sometimes referred to as the "housekeeping division" is called:
A)The sympathetic division
B)The integration division
C)The parasympathetic division
D)The somatic division
E)The primary motor division
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Q1) What is the correct order of neuron layers in the retina,starting in the outer layer and moving inward?
A)Choroid - rod and cones - ganglion layer - bipolar cells - optic nerve fibers
B)Choroid - bipolar cells - rod and cones - ganglion layer - optic nerve fibers
C)Optic nerve fibres - choroid - rod and cones - bipolar cells - ganglion layer
D)Choroid - rod and cones - bipolar cells - ganglion layer - optic nerve fibers
E)Choroid - rod and cones - bipolar cells - optic nerve fibers - ganglion layer
Q2) A biologist is studying deafness which results from sterocilia being damaged due to loud noises.Based on this information you would conclude that he or she is studying which of the following?
A)Damage to the ossicles
B)Damage to the nerves
C)Damage to the tympanic membrane
D)The inability for sound conduction to occur through the inner ear bones
E)Damage to the semicircular canals
Q3) If the tympanic membrane is damaged it will not be able to conduct sound waves to the malleus thus resulting in a loss of hearing.
A)True
B)False
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Q1) Which organism is most likely going to have a hydrostatic skeleton?
A)grasshopper
B)nurse shark
C)Planaria
D)Raccoon
E)Oyster
Q2) If you were studying the functions of skeletal muscle you would be studying all of the following except:
A)Production of blood cells
B)Stabilizing joints
C)Protecting internal organs
D)Helping maintain a constant body temperature
E)Movement
Q3) Which of the following is not a bone found in the pectoral girdle?
A)The humerus
B)A tarsal
C)The scapula
D)Radius
E)The ulna
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Q1) The part of the circulation involved with carrying blood to and from the lungs is the:
A)Systemic circuit
B)Internal respiration circuit
C)Microcirculation circuit
D)Pulmonary circuit
E)ECG circuit
Q2) A circulatory system would have all of the following functions except:
A)It takes oxygen to tissues.
B)It takes waste away from tissues.
C)It takes carbon monoxide away from tissues.
D)It takes carbon dioxide away from tissues.
E)It takes nutrients to tissues.
Q3) What is the correct sequence a drop of blood returning from the body encounters in the heart chambers?
A)Left atrium,left ventricle,right atrium,right ventricle
B)Left ventricle,left atrium,right ventricle,right atrium
C)Right atrium,left atrium,left ventricle,right ventricle
D)Right atrium,left ventricle,left atrium,right ventricle
E)Right atrium,right ventricle,left atrium,left ventricle
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Q1) A biologist is studying cell-mediated immunity in her lab.Based on this information which of the following would not be included in her studies?
A)Plasma cells
B)T cell receptors
C)Cytotoxic T cells
D)Helper T cells
E)Memory T cells
Q2) If you are studying a type of cell that can jump start an immune reaction to an antigen it recognizes,you would be studying which of the following?
A)Helper T cells
B)Memory T cells
C)Cytotoxic T cells
D)Plasma T cells
E)Receptor T cells
Q3) Immunization involves inserting foreign antibodies into a person to stimulate a mild immune response.
A)True
B)False
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Q1) In women,a lack of __________ can cause anemia and a lack of __________ can cause osteoporosis.
A)Iron;phosphorus
B)Calcium;iron
C)Phosphorus;calcium
D)Iron;calcium
E)Phosphorus;magnesium
Q2) Which of the following is not a consequence of someone having a section of their large intestine removed?
A)A decreased ability to absorb water,salts and vitamins.
B)A decreased ability to store undigested material that forms into feces.
C)A decrease in the production of vitamin K which can lead to problems with blood clotting.
D)An increased frequency of elimination of feces.
E)A decreased ability to absorb nutrients like glucose,amino acids and fatty acids.
Q3) According to nutritionists,protein should not supply the bulk of dietary calories.
A)True
B)False
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Q1) Aortic and carotid bodies are:
A)The same as the SA and AV nodes
B)Types of valves in the heart
C)Present in the lungs
D)Sensitive to changes in carbon dioxide and hydrogen ions in the blood
E)Sensitive to oxygen changes
Q2) Which of the following parts of the respiratory system that has the least amount of cartilage and the thinnest wall?
A)Bronchiole
B)Trachea
C)Bronchi
D)Larynx
E)Pharynx
Q3) The Adam's apple is actually a part of the:
A)Pharynx
B)Larynx
C)Glottis
D)Vocal cords
E)Trachea
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Q1) Which mechanism used to form urine requires a high blood pressure?
A)Glomerular filtration
B)Tubular secretion
C)Tubular reabsorption
D)Countercurrent reabsorption
E)Glomerular reabsorption
Q2) Normally,concentrations of metabolically important substances,such as glucose,are:
A)High in the glomerular filtrate but only a trace in urine
B)Low in glomerular filtrate but high in urine
C)High in glomerular filtrate and urine
D)Low in both glomerular filtrate and urine
E)Excluded from entering the excretory system altogether
Q3) The second way substances are removed from the blood and are added to the tubular fluid is:
A)Tubular reabsorption
B)Countercurrent secretion
C)Glomerular filtration
D)Pressure filtration
E)Tubular secretion
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Q1) The hypothalamic-releasing hormones directly control the:
A)Adrenal cortex
B)Posterior pituitary gland
C)Thyroid
D)Anterior pituitary gland
E)Pancreas
Q2) If you were studying the hormone which is responsible for lowering blood glucose you would be studying which of the following?
A)Oxytocin
B)Glucagon
C)Insulin
D)Melatonin
E)Glucocorticoids
Q3) Which of the following is not one of the body's long-term response to stress?
A)An increase in blood glucose levels
B)The metabolism of fats and proteins
C)Suppression of immune system cells
D)Reabsorption of water by the kidneys
E)An increase in blood pressure
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Q1) The allantois:
A)Gives rise to the umbilical blood vessels in humans
B)Is a structure composed of two germ layers
C)Is the outermost membrane in chick eggs
D)Has the same function in chicks and humans
E)Becomes the chorionic villi
Q2) This figure shows the late gastrula stage in frog development.What does "e" represent?
A)Endoderm
B)Ectoderm
C)Yolk plug
D)Archenteron
E)Mesoderm
Q3) Trace the path of sperm during ejaculation:
A)Vas deferens,seminiferous tubules,epididymis,urethra
B)Testis,urethra,vas deferens,penis
C)Epididymis,vas deferens,urethra
D)Urethra,vas deferens,seminal vesicles,testis
E)Vas deferens,epididymis,urethra
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Q1) Which of the following is not a major factor in determining the risk of extinction in an equilibrium species that is unable to migrate?
A)Size of geographic range
B)Size of local population
C)The number of different species in an area
D)Degree of habitat tolerance
E)All are major factors
Q2) If the growth rate increases,the doubling time:
A)Remains the same
B)Increases
C)Increases,then decreases
D)Decreases
E)Decreases,then increases
Q3) Which of these is NOT a density-dependent factor which controls population size?
A)Parasites
B)Competition
C)Fire
D)Predation
E)Disease
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Q1) Which communication method can be effective both during the day and at night?
A)All of these can be effective both during the day and at night
B)Tactile
C)Auditory
D)Chemical
E)Visual
Q2) A biologist is studying the two organ systems that are involved in producing physiological changes leading to appropriate behavior.Based on this information you would conclude that he or she is studying which two systems?
A)The nervous and digestive
B)Digestive and urinary
C)Nervous and reproductive
D)Nervous and endocrine
E)Reproductive and digestive
Q3) Behavior is any action which can observed or described.
A)True
B)False
Q4) An animals physiology will play a role in determining its behavior.
A)True
B)False

Page 40
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Q1) This figure shows energy flow and chemical cycling in an ecosystem.What does "c" represent?
A)Inorganic nutrients
B)Producers
C)Decomposers
D)Consumers
E)Solar energy
Q2) Nitrification refers to the production of:
A)Nitrogen gas
B)Nitrate
C)Ammonia
D)Nitrite
E)Ammonium
Q3) What happens to the amount of energy while going up a ecological pyramid?
A)The amount of energy stays the same
B)The amount of energy decreases
C)The amount of energy first increases and then stays the same
D)The amount of energy first decreases and then finally increases
E)The amount of energy increases
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Q1) Which ecosystem are the Russian steppes,South American pampas and the North American prairies?
A)Temperate grasslands
B)Temperate rain forests
C)Tropical rain forests
D)Temperate deserts
E)Temperate deciduous forests
Q2) The Earth is actually farther from the sun during the period when the Northern Hemisphere is having summer.What is the explanation?
A)The sun grows more powerful on a half-year cycle
B)The tilt of the Earth causes warm air from the equator to move north
C)The Northern Hemisphere is warmed by sunlight reflected off the moon
D)The tilt of the Earth presents the Northern Hemisphere toward the sun
E)There is a six-month lag phase between sunlight being absorbed and lost
Q3) This figure shows a coastal ocean ecosystem.What does "b" represent?
A)The deep sea water
B)The euphotic zone
C)The intertidal zone
D)The continental shelf
E)The pelagic zone
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Q1) Worldwide,70% of all freshwater is used to ______.
A)wash cars and clothing
B)water livestock
C)irrigate crops
D)produce steel and aluminum
E)supply drinking water
Q2) Which of the following statements is false about overexploitation?
A)It accounts for 17% of extinction today
B)Collecting and selling endangered species can be very lucrative
C)Many overexploited species are decorative plants and exotic pets
D)The larger the population the more valuable its members are
E)Marine ecosystems can be destroyed by over fishing
Q3) Sustainable development is the removal of a number of individuals so that the population is severely reduced.
A)True
B)False
Q4) Renewable resources are capable of being naturally replenished.
A)True
B)False
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