Animal Test 2

What does it mean to be an invertebrate?

• the animal does not have a backbone
• the animal has a backbone
• the animal lives on land

Which animals have soft bodies and a muscular foot and sometimes a shell?

• worms
• mollusks
• amphibians
• echinoderms

What makes mammals different from all other vertebrates?

• they are ectothermic
• they produce milk to feed their young
• they breathe with lungs

Which of these is an example of a group of invertebrates?

• fish
• arthropods
• amphibians

What is an earthworms's body divided into?

• scales
• segments
• tentacles

What are animals with backbones called?

• invertebrates
• vertebrates
• cold-blooded animals

Which is the only group of animals that begin their lives in the water breathing with gills and as adults can live on land breathing with lungs?

• mollusks
• amphibians
• reptiles

Which animals have tube feet and arms that go out from a middle body?

• fish
• echinoderms
• amphibians

Which of the following is true about animals?

• most are autotrophs
• they cannot make their own food
• most stay in one place throughout their lives

Which characteristics describes this organism?

• warm-blooded invertebrate
• cold-blooded, vertebrate
• warm-blooded vertebrate