11a and 11b

Study of animals. Animals eat food instead of absorbing it. Animals reproduce sexually.

Animals without backbone. Starfish, sponges, jellyfish, or earthworm. Skeleton instead of backbone. Hundreds of shapes and sizes.

Animals with backbone.

Is an animal whose existence is dependent on pores that pump water through the body. Bring food, oxygen, and removes waste.

Means Pore Bearer. Made up of pores like a sponge.

Unable to move from place to place.

Skeleton of sponge. Flexible fibrous protein.

Stiff little spikes. Sponges are used for bathing, cleaning, and painting.

In sponges central cavity. In them the flagellum can move causing water and food to flow in. Water exits the top.

Another name for sponges.

Jelly fish are phylum cnidarian with tentacles with stinging cells.

Jelly fish can be divided into two equal halves on any plane of it.

Umbrella shaped body of a jellyfish.

Body form for a jellyfish.

This is jellyfish’s type of body support. Like a balloon with air against the walls. Instead of air jellyfish have jelly.

Jellyfish cavity where the jellyfish digests it’s food. Food and waste go out same mouth. Enzymes break down food.

The painful sting of a jellyfish. Small tubes that pierce victims. Causes rash or death.