Top Posters
Since Sunday
I
3
3
p
2
w
2
y
2
J
2
Q
2
r
2
o
2
e
2
j
2
d
2
SlideshowReport

The gill-withdrawal reflex in the sea slug.

Description
(a) Photo of Aphysia californica in its natural habitat. (b) When touched with a probe, the siphon closes and the gill retracts. In this drawing, the parapodia are moved apart for a better view of the gill.
Related Images
Add Comment
Explore
Post your homework questions and get free online help from our incredible volunteers
  493 People Browsing
Show Emoticons
:):(;):P:D:|:O:?:nerd:8o:glasses::-):-(:-*O:-D>:-D:o):idea::important::help::error::warning::favorite:
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 486