Invertebrates

Soft bodied invertebrates that usually have shells

• mollusks

• medusa

• arthropods

• echinoderms

Animals without a backbone are

• vertebrates

• invertebrates

• sessile

Structures that grow out from the body are

• arms

• appendages

• spicules

• molting

Body parts arranged around a central point are ___ symmetry.

• bilateral

• asymmetrical

• radial

Invertebrates with jointed legs are

• arthropods

• mollusks

• echinoderms

Change in form some animals go through as they develop and mature

• metamorphosis

• molting

• developing

• growing

Tags

NGSS.3-LS1-1

Body plan that is shaped like a tube or vase.

• medusa

• polyp

• free living

Spiny- skinned invertebrates that live on the ocean bottom.

• mollusks

• arthropods

• echinoderms

• annelids

Body plan that is shaped like a mushroom

• polyp

• medusa

• sessile

An animal with ____ has identical body parts on both sides of its body.

• asymmetrical form

• bilateral symmetry

• radial symmetry

• spherical symmetry