Classification of Animals

Why do scientists classify animals?

• to organize information

• to show relationships

• to learn more about animals

• all of the above

Which is NOT a way scientists classify animals into groups?

• by how much they weigh

• by their body covering

• by whether they are cold-blooded or warm-blooded

• by whether they are vertebrates of invertebrates

How do some warm-blooded animals keep their body temperatures constant when their surroundings are cold?

• basking on a rock

• going into the shade

• burrowing in the mud

• migrating

Which animal is NOT cold-blooded?

• a fish

• a mammal

• a reptile

• an amphibian

How are animals that have backbones classified?

• as vertebrates

• as invertebrates

• as insects

• as jellyfish

There are more cold-blooded than warm-blooded animals in the five groups of animals we learned about.

• True

• False

Cold-blooded animals body temperature fluctuates, whereas warm-blooded animals body temperature stays constant.

• True

• False

How is a mammal's body covering helpful?

• it's pretty

• it is protective

• it keeps them warm

• it's bright

In which animal group are humans classified?

• birds

• amphibians

• mammals

• reptiles

Tags

NGSS.MS-LS4-2

Fish are warm-blooded.

• True

• False