Aquatic Animals use ________ to obtain oxygen from their new environment.

A(n) _____________________ is a system that transports blood and other fluids into open spaces that surround organs in the body.

A(n) _______________ is a system that transports materials through blood using vessels.

What helps blood move through the blood vessels? They contract and push blood through.

Animals have different types of _______________, depending on what kinds of food they eat.

____________ is the process in which nutrients from digested food are takin into the body.

We breath in _________________ and breath out ____________.

During ____________ waste materials are removed from the body.

The type of waste an animal excretes depends on its

____________ is a skeleton found on the outside of the body

What do earthworms use to move?

A lobster is an example of animal with a _______________.

Animals that use a nerve net do NOT have

Animals with brains or brainlike structures, such as a zebra and planarian, have __________

All animals have the same basic need:

Animals that move in a wave like motion is called

Goosebumps is ________________

______________ are tiny holes on the surface of an organism where oxygen enters the body and carbon dioxide leaves the body.

Most exoskeletons are made out of

A fluid filled cavity in such as a worm is called

movement from an octopus or squid is called

in vertebrates, a nerve cord is called a

Spiders use folded structures called

What grinds up food in the chicken?

95% of animals on earth are

Most animals that live on land move by ________ and _______.

All animals react to changes in their