Animal Unit Week 1

The vertebrate phylum of animals includes which of the following?

• fish, amphibians, & mollusks
• amphibians, sponges, & mammals
• reptiles, segmented worms, & fish
• amphibians, reptiles, & birds

Vertebrates are different from invertebrates because they...

• have an endoskeleton.
• are multi-cellular.
• are heterotrophs.
• can move.

This word describes vertebrates who maintain a constant body temperature, regardless of the environment.

• endothermic
• exothermic
• exoskeleton
• mollusks

This word describes vertebrates who keep their body temperature close to their environment.

• endothermic
• ectothermic
• exothermic
• warm-blooded

Which animal is an invertebrate?

• bunny
• fish
• sea star
• flamingo

These are endothermic, breath with lungs, lay eggs, have feathers and a beak.

• reptiles
• amphibians
• mammels
• birds

This invertebrate is a simple animal that has many pores which allow water to flow through to obtain food and eliminates waste through the passage of water.

• segmented worm
• sponge
• amphibians
• mollusks

This invertebrate has arms that extend from the middle of the body outward and tube feet that take in oxygen from the water and spines.

• echinoderms
• mollusks
• arthropods
• birds

An example of an echinoderm:

• sea star
• snail
• octopuse
• crustacean

These have an exoskeleton, jointed legs, segmented bodies, and some have wings.

• birds
• arthropods
• molluks
• mammals