How can we help?

You can also find more resources in our Help Center.

17 terms

6th grade vocabulary simple invertebrates Ch 2 section 1

STUDY
PLAY
symmetry
the way an animal's body parts match up around a point or central line
bilateral symmetry
arrangement of body parts so there are distinct left and right halves that mirror each other
radial symmetry
Parts repeat around center of the body
asymmetrical
not identical on both sides of a central line
neurons
nerve cells
nerve cords
a bundle of long extensions of nerve cell bodies, lead away from the brain
ganglion
group of nerve cells
gut
the pouch where food is digested in animals
coelum
body cavity in an organism, region where organs are located
pores
tiny openings on the skins surface
collar cells
flagellated cells that push water through a sponge
osculum
the large opening at the top of a sponge
regenerate
replace (tissue or a body part) through the formation of new tissue
spicules
small, spike shaped particles of calcium carbonate or silicon dioxide that make up the skeleton of some sponges
Cnidarian
invertebrates that have stinging cells and take food into a central body cavity
medusa
a free-swimming cnidarian with a bell-shaped body and tentacles
polyp
The cup-shaped body form of a cnidarian that is generally attached to a surface

Flickr Creative Commons Images

Some images used in this set are licensed under the Creative Commons through Flickr.com.
Click to see the original works with their full license.