Animals Test Review

Ectothermic means -

• cold-blooded

• warm-blooded

Which class of vertebrate is the largest?

• fish

• amphibians

• mammals

• birds

Which 2 invertebrates have radial symmetry?

• worms

• echinoderms

• cnidarians

• sponges

The 3 major groups of the Arthropod class are -

• round, segmented, flat

• arachnid, insect, crustacean

• starfish, sea cucumber, sea urchin

• jellyfish, coral, hydra

Which group has an organ called a foot?

• worms

• mammals

• mollusks

• arthropods

Arthropods have a -

• hard outer covering (exoskeleton)

• internal skeleton (endoskeleton)

These are the simplest animals with a brain -

• echinoderms

• mammals

• sponges

• worms

Which group has some specialized cells but no tissue or organs.

• cnidarians

• worms

• sponges

• mollusks

Cnidarians have -

• stinging cells

• a mantle covering

• legs, wings, and antennae

This group of vertebrates lives in the water and uses fins to move -

• reptiles

• fish

• mammals

• birds