biostp.2
biostp.2
biostp.2
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Chapter 29<br />
Name Date Class<br />
1<br />
Why was the shelled amniotic egg an<br />
important advance for reptiles<br />
A It enabled them to lay protected eggs in<br />
water.<br />
B It enabled them to lay more eggs.<br />
C It meant they were not dependent on water<br />
to lay eggs.<br />
D It meant that they could lay eggs and ignore<br />
them.<br />
Use the diagram below to answer questions 2 and 3.<br />
Leathery<br />
shell<br />
Amnion<br />
Embryo<br />
5<br />
What adaptation keeps reptiles from losing<br />
internal fluids<br />
A dry, scaly skin<br />
B kidneys that filter blood<br />
C skin that grows with the animal<br />
D the ability to control body temperature<br />
6<br />
What do crocodiles and alligators have in<br />
common with birds and mammals but not<br />
with other reptiles<br />
A a four-chambered heart<br />
B ability to control body temperature<br />
C amniotic egg<br />
D Jacobson’s organ<br />
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.<br />
Chorion<br />
Yolk sac<br />
Allantois<br />
2<br />
What in the diagram contains nutrients for the<br />
embryo<br />
A allantois<br />
B amnion<br />
C chorion<br />
D yolk sac<br />
3<br />
Which membrane allows oxygen to enter while<br />
keeping fluids in the egg<br />
A allantois<br />
B amnion<br />
C chorion<br />
D yolk sac<br />
4<br />
Which animal would depend on the surrounding<br />
environment to regulate its body temperature<br />
A cardinal<br />
B gerbil<br />
C lizard<br />
D house cat<br />
7<br />
Amniotes are hypothesized to have separated<br />
into three groups based on .<br />
A body scales<br />
B skull structure<br />
C molting abilities<br />
D hip structure<br />
8<br />
What do birds have that distinguishes them<br />
from other organisms<br />
A four-chambered heart<br />
B wings<br />
C amniotic eggs<br />
D feathers<br />
9<br />
Endothermy, feathers, and which adaptation<br />
equip a bird for flight<br />
A solid bone structure<br />
B maintaining a low body temperature<br />
C light-weight bone structure<br />
D urinary bladder<br />
STANDARDIZED TEST PRACTICE CHAPTER 29 57