1. Porifera Cnidaria polyps (corals) jellyfish Sponges They live fixed yo the ground upside up They float freely, upside down umbrella ANIMALS (INVERTEBRATES) They can reproduce sexually (by releasing sperm and eggs into the water) and asexually (if a part breaks it grows a new sponge, by budding). They live in marine ecosystems (With stinging cells to poison their prey) They can reproduce sexually (by releasing sperm and eggs into the water) and asexually (by budding, if a part breaks it grows a new sponge). They live in marine ecosystems

2. Platyhelminthes (flat worms) Taenia Taenia doesn’t have organs, except reproductor system Nematodes (cylindrical worms) Annelids (worms with segments) hookworms earthworm They are intestine parasites Leech (bloodsucker) They can reproduce sexually. They live in aquatic ecosystems or they are parasites. They live in terrestrial ecosystems. They can reproduce sexually. They live in aquatic ecosystems or in damp soil. They can reproduce sexually or asexually.

3. Molluscs All of them have - a soft body protected by a shell. -a muscular foot to move Gastropod Bibalve Cephalopods Snail Mussel Squid - They reproduce sexually. (slugs don’t have it) They live in aquatic or terrestrial ecosystems. They are mainly herbivores. Clam, oyster They live in marine or freshwater ecosystems. They live in aquatic ecosystems. They are carnivores. octopuses

4. Echinoderms satfish Sea urchin Sea cucumber Ambulacral feet Spines -are aquatic organisms - have ambulacral feet to move - have a hard esketelon with spines - reproduce sexually through eggs (the starfish can also reproduce asexually through fragmentation of its arms) Examples: Arm (They have 5) All of them: Spines They are carnivores or herbivores.

5. Arthropods - are the most widespread group of our planet - have the body divided into segments (head, thorax and abdomen) - The body is covered by a rigid and articulated exoskeleton - They reproduce sexually All of them: Myriapods legs Anthens Scolopendra (centipedes) Arachnids Spider Chelicerae with venom to paralize thier prey leg Crustaceans Insects Crab Grasshopper, bee, fly legs Wings Anthens Claws scorpion They live on land (terrestrial) They are carnivores. They live on land (terrestrial) They are carnivores. They are aquatical. They are carnivores (scavengers). They are terrestrial. They are herbivores. Compound eyes