Mammals

Animals are divided into 2 main categories: with backbones (vertebrates) and without backbones (invertebrates)

• True

• False

Vertebrates are divided into ............

• cold-booded and warm-blooded

• with or without backbones

Choose all the animals that have backbones

• fish

• mammals

• birds

• insects

There are five groups of vertebrates. They are ..........

• amphibians, insects, mammals, reptiles, birds

• fish, reptiles, mammals, insects, birds

• fish, mammals, birds, reptiles, amphibians

Humans and whales are mammals.

• True

• False

The mammal body temperature

• changes if the temperature of the environment changes.

• does not change if the temperature of the environment changes.

Tags

NGSS.MS-LS1-5

In cold-blooded animals, their body temperature

• changes due to the environment.

• does not change due to the environment.

Tags

NGSS.MS-LS1-5

Mammals have to eat a lot ...................

• to maintain their body temperature unchanged (keep it warm-blooded)

• to live a long time without food

• to change their body temperature according to the environment

To reduce heat, some mammals .............. (Choose all correct answers)

• swim

• roll in the mud

• sweat

• sleep

Mammals have fur ............

• to sleep better

• to keep them warm, especially in winter

Tags

NGSS.MS-LS4-4