× Didn't find what you were looking for? Ask a question
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
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
rolab97 rolab97
wrote...
Go to Answer
Posts: 498
Rep: 0 0
6 years ago
The heart of amphibians has ____ chambers. The hearts of birds and mammals have ____ chambers.
  a. two; three
  b. three; four
  c. two; four
  d. three; five
  e. three; two

Question 2

Sharks detect motion in the water or waves by their:a.
   lateral lines.
  b. electroreceptors.
  c. keen olfaction.
  d. sight.
  e. dorsal fin
Read 47 times
3 Replies
Replies
Answer verified by a subject expert
mapmap
wrote...
#1
Posts: 350
Rep: 1 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

rolab97 Author
wrote...
#2
6 years ago
The fact that I can't marry you for this saddens me.
map
wrote...
#3
6 years ago
Let's keep this professional  Monkey
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  860 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 776
  
 177
  
 530
Your Opinion
Do you believe in global warming?
Votes: 370
Previous poll results: Which country would you like to visit for its food?