Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
New Topic  
ppk ppk
wrote...
Valued Member
On Hiatus
Posts: 3561
12 years ago
What structural adaptation in chickens allows them to lay their eggs in arid environments rather than in water?   

A) extraembryonic membranes
B) yolk
C) development of the brain from ectoderm
D) gastrulation
E) cleavage
Read 2270 times
1 Reply
Replies
Answer accepted by topic starter
bio_manbio_man
wrote...
Educator
Top Poster
Posts: 33241
12 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1143 People Browsing
 101 Signed Up Today
Related Images
  
 189
  
 201
  
 136
Your Opinion