Animals exam 2023
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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