Porifera

Cnidaria

polyps (corals)

jellyfish

Sponges

They live fixed yo the ground upside upThey 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

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.

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

Echinoderms

satfish

Sea urchin

Sea cucumber

Ambulacral feet

Ambulacral feet

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.

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

Chelicerae with venom to paralize thier prey

leg

Crustaceans Insects

Crab Grasshopper, bee, fly

legs

Wings

AnthensAnthens

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