7th grade science, book b, ch. 3: fish, amphibians, reptiles

A fish is an invertebrate?

• True

• False

Where do fish get their oxygen from?

• the water

• the air

• dense fog

What does a fish have on its body that help it get oxygen?

• lungs

• slits

• gills

What type of fertilization do most fish have?

• internal

• external

What are the three main groups that fish are organized into?

• long

  short

  scaly

• boney

  cartilagionous

  flat

• cartilaginous

  boney

  jawless

What are the skeletons of jawless and cartilaginous fish made of?

• bone

• cartilage

• skin

Most cartilaginous fish are carnivores?

• true

• false

Most fish that we are familiar with fall into what classification?

• boney

• jawless

• cartilaginous

Amphibians are vertebrates?

• true

• false

An animal that relies on its environment to regulate its body temperature is what?

• ectothermic

• endothermic