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.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
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
No nervous system
No complex organs
Live in water
Hollow center and one opening
Live in water
Look like plants
Attach to rocks
Some float or swim
One large opening or mouth
Mouth makes them more complex than sponges
Three groups – flatworms, roundworms, segmented worms
Some live in water, some on land, some inside the bodies of other animals (called parasites)
Some are scavengers (eat dead animals)
Good for Soil
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 feeling
Largest group of animals (75% of all animals)
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
Sharp spines on the outside of their bodies. (Protection)
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.