× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
6
s
3
3
d
3
s
2
c
2
G
2
y
2
t
2
2
k
2
j
2
Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
New Topic  
cattyson cattyson
wrote...
Go to Answer
Posts: 702
Rep: 0 0
6 years ago
Why do you think that most cetaceans use sound for communication and echo-location?
 
  a) Sound travels farther through water than light
  b) The ancestors of these organisms had vocal chords, so they adapted to project sound in water
  c) Cetaceans have ears so they can hear sounds that fish cannot
  d) Cetaceans have developed a simple language for communication
  e) Cetacean skulls are specially adapted for sound transmission
Read 44 times
1 Reply
Replies
Answer verified by a subject expert
dkeysdaniedkeysdanie
wrote...
#1
Top Poster
Posts: 603
Rep: 6 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

cattyson Author
wrote...

6 years ago
Good timing, thanks!
jbag1237
wrote...

Yesterday
Brilliant ツ
branbran2k16
wrote...

2 hours ago
You make an excellent tutor!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1001 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 884
  
 9761
  
 272
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 300
Previous poll results: Which country would you like to visit for its food?