1.
Reptiles have a slimy skin due to mucus production.
2.
Reptiles are ectothermic.
3.
The ostrich is the only bird that cannot fly.
4.
Down feathers have hooked and smooth barbules which allow them to interlock.
5.
The special feather on the leading edge of a bird's wing helps it fly faster.
6.
Mammary glands are specialized organs which secret milk to nourish young reptiles.
7.
The duck-billed platypus lays eggs.
8.
Reptiles lay an amniotic egg which is covered in a lime-containing shell.
9.
Neurotoxins attack the nervous system, causing blindness, paralysis, and suffocation.
10.
The purpose of underhair on class Mammalia is to provide insulation.
11.
Type the letter of the class for the following descriptions for questions 11-25R=ReptiliaA=AvesM=MammaliaHave hair covering the skin. (M, A, R)
12.
Reproduce with internal fertilization and are usually viviparous. (M, A, R)
13.
Skeleton must be composed of porous, lightweight bones. (M, A, R)
14.
The sea snake, coral snake, and cobra are members of this class. (M, A, R)
15.
Have a three-chambered heart with a ventricle which is partially divided. (M, A, R)
16.
Contains members which have Jacobson's organs and scutes. (M, A, R)
17.
Are endothermic, have a four-chambered heart, and possess a toothless bill. (M, A, R)
18.
Often can be seen preening. (M, A, R)
19.
Produce a placenta and have mammary glands. (M, A, R)
20.
Produce an amniotic egg, which is covered in a lime-containing shell. (M, A, R)
21.
Members include kangaroos, whales, and mankind. (M, A, R)
22.
Produce an amniotic egg with a leathery shell. (M, A, R)
23.
Members include the tuatara, gecko, and iguana. (M, A, R)
24.
Have thin strands of bone which serve as struts within their wings.
25.
Offspring go through a gestational period. (M, A, R)