Invertebrates. 3.3.7.A Describe the similarities and differences that characterize diverse living things; describe how the structures of living things help them function in unique ways. Invertebrate. S PONGEBOB H EARS W EIRD M USIC A T S QUIDWARD’S. Definitions.
3.3.7.A Describe the similarities and differences that characterize diverse living things; describe how the structures of living things help them function in unique ways
Invertebrates with soft bodies
Shells provide protection
Some live in fresh or salt water
Some live in moist places on land
Special organs for moving, breathing, getting food, and pumping blood
Footlike part for moving, digging, and feelingMollusks
Exoskeleton (outside skeleton for protection)
Live in water and on land
Special body parts for special jobs
Body sections, 3 or 4 pairs of legs
Tube Feet – Tiny, suctionlike cups used for moving, feeling and feeding.
Many characteristics of adult spiny-skinned animals are not as complex as arthropods, but young spiny-skinned animals are more complex than young arthropods.