Intro to animals

Complete the sentence: All animals...

• have 2 eyes.

• are made of many cells.

• move quickly.

• have a backbone.

True or False: Vertebrates are usually smaller than invertebrates

• True

• False

Birds have _______ and mammals have _______.

• skin... gills

• feathers ... skin.

• wings ... feathers.

• no babies .... lots of babies.

Which animals can keep a constant body temperature, even when the outside temperature changes?

• Snake

• Polar bear

• Eagle

• Human

• All endotherms

This frog lives in Alaska. He moves very slowly when he is cold because

• he is a slow motion frog.

• he has no energy to move fast.

• cold temperature helps all animals move fast.

• he gets energy from the cold.

The animal in the picture is a

• vertebrate.

• invertebrate.

• backbone.

• cell.

Endotherm animals are __________ and they can control their internal body temperature.

• slow

• cool blooded

• cold blooded

• warm blooded

Vertebrates are more complex than sponges...

• because they are bigger.

• because they are made of cells.

• because they are made of cells, tissues, organs, and organ systems that work together.

• because they live longer.

The animals have what kind of symmetry?

• Bilateral symmetry

• Radial symmetry

• No symmetry

• Asymmetry

Choose all the correct statements. Both of these animals....

• have bilateral symmetry.

• are invertebrates.

• are warm blooded.

• have radial symmetry.

• need energy.