3rd Grade Science- Chapter 2

series of bones that runs down the back of some animals

• backbone
• mammal
• vertebrate
• invertebrate

an animal that has a backbone

• vertebrate
• invertebrate

an animal that has hair or fur and produces milk for its young

• mammal
• insect
• Stuart
• fish

a vertebrate that has feathers, lungs, wings, and two legs

• fish
• bird
• Jane

vertebrates that live in water

• Dad
• fish
• bird

a vertebrate that starts life in water and then lives on land as an adult (frog)

• amphibian
• fish
• bird

vertebrate that has dry, scaly skin and lays eggs on land  (lizard)

• reptile
• amphibian
• fish
• bird

an animal that does not have a backbone

• verterbrate
• invertebrate

an invertebrate that
*moves very little
*their bodies are full of holes
*filter food from water

• vertebrate
• worms
• coral and jellies
• snail and squid

invertebrate that
*have spiny body coverings
*no head but has a mouth
*capture food using tube feet

• sea stars and sea urchins
• sponges
• worms
• snails and squid