Animals exam - 1. Animals are (can't make their own food, the...

Animals exam

GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved)

• Animals are (can't make their own food, they must

obtain their food by eating other organisms).

Answer: heterotrophs

• Pelage

Answer: Hair or fur that covers the body and can serve as camouflage.

• The Animal Kingdom can be split up into 2 main groups,

Answer: vertebrates and invertebrates

• -body temperature controlled by outside

environment (cold blooded)

Answer: ectothermic

• - body temperature controlled by metabolism

(warm blooded)

Answer: endothermic

• The Mass extinction of many animal species was possibly due

to

Answer: an asteroid impact in Mexico about 66 million years ago

• viviparous means

Answer: live birth

• In placental mammals, the Young are carried in the uterus and nourished

by the .

Answer: placenta

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• Anthropoids include monkeys, apes, and .

Answer: humans

• glands in females are modified sweat glands that make

milk containing sugars, proteins, & fats to nourish young.

Answer: mammary

• Reptiles differ from amphibians in that they lay eggs

Answer: on land and they have hard shells.

• Terrestrial animals-

Answer: live on land

• The first vertebrates were

Answer: fish-like

• are subdivided into seven classes (3 classes of fish,

amphibians, reptiles, birds, and mammals).

Answer: Vertebrates

• One characteristic that distinguishes the major groups of vertebrates is

the way in which they control their .

Answer: body temperature.

• (adjust body temperature to

environment)

Answer: -Ectotherms

• Amphibians appeared 380 Million years ago, arose/evolved from

.

Answer: lobe finned fish

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