The document discusses various types of invertebrate animals. It describes their characteristics such as lacking backbones, having exoskeletons, tentacles, shells, legs or segments. Some examples provided include sponges, jellyfish, worms, snails, insects and arachnids such as spiders. Invertebrates make up 97% of the animal kingdom and live in a variety of environments on land and in water.

1. 97 % of the animal kingdom is made up of invertebrates.

2. Invertebrates are animals that do not have backbones. Some can be found in ponds, oceans, and other water environments. Insects and some other invertebrates have exoskeletons. An exoskeleton is a hard outer covering that protects an animal’s body and gives it support.

3. They look like plants but they are animals. Sponges stay fixed in one place. They have no mouth, stomachs, or other organs Most live in oceans The cannot move They stink a lot

4. They have tentacles They have a mouth They live on the ocean floor They shoot poisonous darts jellyfish Sea anemone coral

5. They can grow back parts if they lose parts. Some worms can grow to 30 METERS long An earthworm has hairs on it to help it go through the dirt!!! Flatworm Segmented Roundworms

6. They have bodies with at least 5 sections They have suction cup feet to walk They use tubes to catch food to.

7. They live on land and fresh water and ocean water. They make shells from minerals in the water. Snail have a single shell and a muscular foot. A clam has two shells joined together. squid snail octopus

8. They have keen sense organs. They have joined legs and exoskeletons. They have two or more segmants. Some of them can fly.

10. Spiders, mites and ticks. 4 pairs of legs Most live on land. Some live in fresh water. They spin silk to make traps for prey.

11. Many body segments. Live under rocks & dark places. Really have less than 100 legs. Protect themselves by curling up. Millipedes have 4 legs on each segment. Centipedes have 2 legs on each segment. millipede centipede

12. They have five pairs of legs. They live near or on the ocean floor. Live on land and water. They have antennae.

13. Largest group of arthropods. 3 pairs of legs. 3 main body part sections. 2 pairs of eyes. Have mouths.