INVERTEBRATES

MOLLUSKS🐌

• Soft bodies
• Thick muscular foot
• They take in oxygen through lungs or gills
• Have shells😳🐚

SPONGES🙈

• They get food and elim mate waste through flow of water💦
• Specialized cells
• Very simple animals🐠
• Water moves into a central cavity and out through a big opening at the top
• Have many pores

ARTHRPODS

• Jointed legs
• Segmented bodies
• Some have wings
• Have exoskeleton= hard outer covering
• Breathe through gills or air tubes

SEGMENTED WORMS

• Have long tubed like bodies
• Simplest organisms
• Long digestive tube
• Takes in oxygen from the water through their skin
• EX: earthworms,leeches

ENCHIDERMS

• Have arms that extend out from the middle of the body
• Have tube feet that take in oxygen from the water
• Have spines
• Example: sea star,brittle star,sea cucumber,sea irchin