1) snakes, frogs, squirrels and humans are all classified as being homeothermic.
2) diagnostic traits can be used to distinguish between species of living organisms only.
3) the first species to begin secondary succession are called pioneer species, or
colonizers.
4) sphincter muscles regulate the opening and closing of the capillary beds, directing
the flow of blood to different areas of the body depending on the body’s needs.
5) homeostasis is ultimately controlled by the nervous system.
6) once proteins are made and functional, they are no longer subject to cellular control.
7) emergent properties can be used to distinguish living things from nonliving things
8) the control group in an experiment receives all the same treatments as the
experimental group(s), except for the one variable being tested.
9) innate immunity is a defense system that becomes fully functional after it has
undergone a period of exposure to various pathogens.
10) preliminary studies indicate that biodiversity maximizes resource acquisition and
retention within an ecosystem.
11) old world monkeys have a prehensile tail and a flattened nose.
12) called caspases.
13) anything below ph 7 is acidic and above ph 7 is basic.
14) photorespiration is the process by which light is used to release the stored energy in
carbohydrate molecules to perform all work in plant cells.
15) the scale indicates the relative concentrations of hydrogen and hydroxyl ions in a
solution.
16) which represents the proper sequence of human teeth from the front to the back of
the mouth?
a. 2 incisors, 1 canine, 3 premolars, 3 molars
b. 2 incisors, 1 canine, 2 premolars, 3 molars
c. 3 incisors, 1 canine, 2 premolars, 2 molars
d. 2 incisors, 2 canines, 2 premolars, 3 molars
e. 2 incisors, 1 canine, 3 premolars, 2 molars
17) which of the following groups of organisms will all possess hydrostatic skeletons?
a. planaria, hydras and earthworms
b. planaria, hyrdas, crayfish
c. earthworms, crayfish andsea stars
d. butterflies, cats and clams
e. bluegill, lobster and planaria
18) there is unidirectional flow of air for greater absorption of oxygen in
a. reptiles.
b. amphibians.
c. birds.
d. mammals.
19) what is the smallest unit of living matter?
a. atom
b. element
c. golgi apparatus
d. cell
e. nucleus
20) the science of collecting, analyzing, and making readily available biological
information is
a. habitat restoration planning.
b. landscape preservation.
c. bioinformatics.
d. a population viability analysis.
21) consider the following food chain: hawk – rabbit – clover. each species will contain
a different amount of calories in its body (clover: 10 calories, rabbit: 500 and hawk:
1200). each species has a different daily caloric requirement (clover: sunlight, rabbit:
100 calories, hawk: 300).
how many clover plants, per day,does it take to support one rabbit?
a. approximately 100 plants
b. approximately 10 plants
c. approximately 50 plants
d. approximately 3 plants
e. approximately 1000 plants
22) in a species of desert lizard, only females are known to exist. it is necessary for two
females to court and for one to assume the posture of a male to stimulate the other
female to ovulate. of course, no fertilization can occur. this is a case of
a. hermaphroditism.
b. parthenogenesis.
c. sexual reproduction because the mating behavior is required.
d. a need for further research since only primitive animals can reproduce asexually.
23) which of the following is not strictly a freshwater community?
a. lakes
b. rivers
c. estuaries
d. streams
e. ponds
24) the overall effect of renin release will be to
a. lower blood pressure.
b. lower blood volume.
c. decrease hydrogen ion excretion and decrease sodium and bicarbonate ion
absorption.
d. inhibit aldosterone secretion.
e. increase blood volume and pressure.
25) before the dna repair enzyme complex has completed its function, approximately
how many base-pairs are still improperly matched?
a. 1 in 10,000
b. 1 in 100,000
c. 1 in 1,000,000
d. 1 in 10,000,000
e. 1 in a billion
26) in a population, the allele frequency for red flower color remained at 0.7 and the
allele frequency for white flower remained at 0.3 for six generations. this ____ an
example of a hardy-weinberg equilibrium in that ___________.
a. is not, evolution occurred
b. is, evolution did not occur
c. is, evolution occurred
d. is not, evolution did not occur
27) the ______________ was proposed to help explain speciation that appears in the
fossil record.
a. evolutionary species concept
b. morphological species concept
c. phylogenetic species concept
d. genetic divergence species concept