Animal Unit Review

Birds and mammals are warm-blooded. What does that mean?

• Their blood changes color with temperature.

• Their body temperatures rise and fall with the outside temperature.

• Their body temperatures do not change much, regardless of the outside temperature.

• Their blood is warmer in winter than in summer.

The following characteristics describe one group of vertebrate.

~young are born alive

~have fur or hair

~breath with lungs

~are warm-blooded

How would you classify these animals?

• birds

• arthropods

• amphibians

• mammmals

Which animals does not have a backbone?

• snake

• fish

• lobster

• bird

The following characteristics describe one group of vertebrate.

~breathe with lungs

~have scales or plates

~most lay eggs

~are cold-blooded

How would they be classified?

• amphibians

• reptiles

• birds

• fish

Which special sense do bats have to help them locate food in the dark?

• echolocation

• night vision

• electrical sense

• magnetic sense

How does a snake hear if it does not have ears?

• Vibrations in the ground are sensed by the snake’s body.

• Vibrations are turned into colors that are sensed by the snake’s eyes.

• The snake’s nose picks up smells that the vibrations are changed into.

• The snake’s tongue picks up vibrations.

Which additional sense do migratory animals like birds, butterflies, and some whales have?

• echolocation

• magnetic

• electric

• night vision

Which animal is known for its electric senses?

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A skunk’s odor is unpleasant to other animals. A monarch butterfly’s coloration warns birds of its bitter taste. These adaptations help these animals to

• find water

• locate prey

• seek shelter

• avoid predators

A prairie dog whistles loudly when it senses danger. When it whistles, all of the prairie dogs nearby run and hide in their burrows. Which sense helps the other prairie dogs receive this warning?

• hearing

• sight

• smell

• taste