ANINMALS

MOLLUSKS

• Mollusk - are invertebrate animals that have shells to protect their soft inside
• Example: clams
• They reproduce sexually
• They have circulatory systems
• No bones

SPONGES

• Sponge - an invertIbrate the gets its food by water
• Example - venis flower sponge
• soft porous body
• whip-like cells
• Filters water

ECHINODERMS

• Interval skeletons and spines
• Spiny skin
• Circular shape
• Most have a tube foot
• Have section cups

CNIDARINES

• Stinging tentacles
• Waste leaves through mouth
• One opening
• No organs
• Reproduce sexually and asexually.

ARTHOPODS

• Have jointed legs
• Exoskeleton
• Simple or compound eyes
• Example: spider
• digestive system with two openings; circulatory system,organs for sight

SEGMENTED WORMS

• These are worms whose bodies are made up of connected sections, or segments. .
• Example: earthworm
• circulatory system - 5 enlarged tubes that act like hearts
• takes in food through mouth .reproduce sexually
• nervous system - brain and main nerve. breath through skin

ROUND WORMS

• digestive system with 2 openings
• take in food and eliminate waste
• nervous system with brain and simple sense organs
• muscles that run length of body
• Reproduce sexaully

FLAT WORMS

• Example: Planarian
• live in both freshwater and saltwater
• flattened body,bilateral symmetry
• sense organs and nerve cords a mouth and digestive system
• can regenerate body parts that have been cut off