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| What characteristic that is shared by all animals is shown in the following sentance- Sponges filter microscopic organisms from the water for food. |
| Animals depend on other things in the environment for food |
| What characteristic that is shared by all animals is shown in the following sentance- enzymes are secreted in an earthworm's digestive tract. |
| animals digest their food and protiens, carboydrates and fats in food are broken down into simpler molecules taht can move into the animals cells |
| What is the job of collar cells? |
| it lines the inside of the sponge & their flagella moves water through the sponge to help it feed |
| What is the job of the flagellum (flagella)? |
| Moves water through the sponge |
| What is the function of the spicules in sponges? |
| Provides support and protection from predators |
| What is the function of pores in sponges? |
| allows water to flow in and allow the filteration of water |
| Define spongin |
| Fibrous material that is found in soft bodied natural sponges. it can also provide support for a sponge. |