Create an account
These are sponges that are sessile and asymmetrical
and are made up of collagen and sphericals
can perform both asexual and sexual reproduction (process called budding), possess cnidocytes (stinging cells) and has a nervous system (nerve net)
have a central/advanced nervous system,an eye spot, bilateral structure and are hermaphrodites
closed circulatory system (and have a heart)
ventral nerve cord
have sensory antennae (more advanced nervous system)
crabs and insects:
have an exoskeleton made of chitin (for support)
has 3 separate body regions: head, thorax and abdomen
· Heterotrophs (never photosynthetic)
· Sexual Reproduction
· Gas exchange
· Inverts- verts (no backbone)
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together