Benchmark Unit 3 Week 2

Have smooth wet skin that help them survive in and out of water

• amphibians

• reptiles

• mammals

• birds

Warm blooded animals that nurse their young and have fur covering their bodies

• amphibians

• reptiles

• mammals

• birds

Cold blooded animals that have scales covering their bodies.

• amphibians

• reptiles

• mammals

• birds

deter: "Looking dangerous is a way to deter predators."

• fur layer close to animal's skin

• tough, long lasting

• to discourage or frighten away

• a little wet

• to fall out, cast off

Shed "In summer, animals shed some of the top layer of fur to stay cool".

• fur layer close to animal's skin

• tough, long lasting

• to discourage or frighten away

• a little wet

• to fall out, cast off

durable: "Keratin makes feathers strong and durable".

• fur layer close to animal's skin

• tough, long lasting

• to discourage or frighten away

• a little wet

• to fall out, cast off

moist: "the humid air keeps the frog's skin moist".

• fur layer close to animal's skin

• tough, long lasting

• to discourage or frighten away

• a little wet

• to fall out, cast off

undercoat: "the undercoat helps an animal control its body temperature".

• fur layer close to animal's skin

• tough, long lasting

• to discourage or frighten away

• a little wet

• to fall out, cast off