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1.Which of the following is one of the main differences between reptiles and amphibians?
Most reptiles are endothermic and amphibians are ectothermic.
Amphibians are not tied to water for reproduction and reptiles are.
Reptiles have protective scales or feathers that contain keratin and amphibians do not.
Amphibians are amniotes and reptiles are not.
Reptile larvae typically undergo metamorphosis and amphibian larvae do not.
2.
Which of the following is true about logistic population growth?
the growth rate of the population accelerates as it approaches the carrying capacity
it only occurs with unlimited resources
it is represented on a graph by an S-shaped curve
with this type of growth, the number of new individuals is proportional to the size of the population
it cannot happen indefinitely in nature
3.
Which of the following traits helps classify a duck-billed platypus as a mammal?
the production of poison
mammary glands
the fact that it lays eggs
webbed feet
a sensitive snout
4.
Which of the following was one of the differences between humans and apes that was discussed during lecture?
apes are bipedal, humans are not
apes use a precision grip, humans use a power grip
apes have an S-shaped spine, humans have a C-shaped spine
apes have opposable big toes while humans do not
the arms of apes are shorter than their legs, the legs of humans are shorter than their arms
5.
Which of the following describes a K-selected species?
large number of offspring
tends to occur in relatively stable environments
tend to be favored in environments where populations are well below carrying capacity
low parental care
short-lived
6.
Which of the following is a density-dependent factor that might affect population size?
a wildfire
an avalanche
a flood
a hurricane
a disease
7.
An amniotic tetrapod that is endothermic and has no teeth most likely belongs to which class?
mammalia
reptilia
gastropoda
amphibia
cephalopoda
8.
The human population has shown logistic growth so far.
True
False
9.
You are a scientist working in a tropical rainforest. There, you discover a previously unidentified species! It has bilateral symmetry, a dorsal, hollow nerve cord, differentiated teeth, and its body is covered with fur. To which phylum does it most likely belong?
porifera
echinodermata
chordata
10.
An organism like a human or big-horned sheep for which mortality is highest late in life illustrates a Type I survivorship curve.
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