Bio 204 Final Exam
1. Which of the following characteristics describes only true terrestrial animals
with no need to return to water at any stage of the life cycle?: amniotic eggs
2. Which of the following represents the strongest evidence that two of the three
middle ear bones of mammals are homologous to certain bones in the lower
jaw of reptiles?: the bones can be observed to move from the developing jaw to the developing middle ear in
mammalian embryos
3. In general, where on Earth would you expect to find the greatest amount of
biodiversity?: tropical rainforest
4. While walking across campus with two of your friends, you come across a
stray cat that
becomes startled. The cat arches her back, her hair stands on end, and she
1/6
,hisses. You ask your
two friends why the cat behaved in that way. One of your friends says that you
triggered a neural
reflex in the cat, which culminated in the contraction of certain muscles. Your
other friend
responded that the behavior makes the cat look bigger, which might frighten
predators. Which of
the following statements best describes these explanations?: - the first explanation
refers to
proximate causation, whereas the second refers to ultimate causation
5. Irish elk (now extinct) had extremely large antlers. Paleontological studies
have shown that
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, the antlers grew at a faster rate than other regions of the body.This type of
growth is known as:: allometric
6. The small portion of the embryo that will become its dorsal side develops
from the:?: gray crescant
7. Which of the following groups of vertebrates would be most affected by a
short and sharp
decrease in temperature?: squamates
8. When skeletal muscle contracts, the actin and myosin filament?: slide past one
another
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1. Which of the following characteristics describes only true terrestrial animals
with no need to return to water at any stage of the life cycle?: amniotic eggs
2. Which of the following represents the strongest evidence that two of the three
middle ear bones of mammals are homologous to certain bones in the lower
jaw of reptiles?: the bones can be observed to move from the developing jaw to the developing middle ear in
mammalian embryos
3. In general, where on Earth would you expect to find the greatest amount of
biodiversity?: tropical rainforest
4. While walking across campus with two of your friends, you come across a
stray cat that
becomes startled. The cat arches her back, her hair stands on end, and she
1/6
,hisses. You ask your
two friends why the cat behaved in that way. One of your friends says that you
triggered a neural
reflex in the cat, which culminated in the contraction of certain muscles. Your
other friend
responded that the behavior makes the cat look bigger, which might frighten
predators. Which of
the following statements best describes these explanations?: - the first explanation
refers to
proximate causation, whereas the second refers to ultimate causation
5. Irish elk (now extinct) had extremely large antlers. Paleontological studies
have shown that
2/6
, the antlers grew at a faster rate than other regions of the body.This type of
growth is known as:: allometric
6. The small portion of the embryo that will become its dorsal side develops
from the:?: gray crescant
7. Which of the following groups of vertebrates would be most affected by a
short and sharp
decrease in temperature?: squamates
8. When skeletal muscle contracts, the actin and myosin filament?: slide past one
another
3/6
