× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
w
5
a
3
j
2
a
2
t
2
u
2
r
2
j
2
j
2
l
2
d
2
y
2
New Topic  
mysttrr mysttrr
wrote...
Posts: 723
Rep: 0 0
6 years ago
When a bird ruffles its feathers in response to heat stress it
 a. permits convective currents to carry heat away from the body surface.
  b. permits exchange of air with 100 humidity for air with lower humidity, enabling evaporative cooling to occur.
  c. both of these.
  d. neither of these.
Read 53 times
1 Reply

Related Topics

Replies
wrote...
6 years ago
C
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1733 People Browsing
Related Images
  
 2566
  
 333
  
 2235
Your Opinion
Who's your favorite biologist?
Votes: 608