Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
New Topic  
Jermain_ Jermain_
wrote...
Go to Answer
On Hiatus
Posts: 6410
Rep: 97 0
10 years ago

 
The role of extensor muscles, absent in the leg joints of many spiders, has been replaced by   
A)
 
fluid movements and pressure changes of the hydrostatic skeleton.   
B)
 
strategically placed exoskeletal plates that store elastic energy when deformed.   
C)
 
a system of chitinous self-locking and unlocking catches and levers.   
D)
 
a system of autonomously controlled valves within the legs.   
Read 200 times
2 Replies
Replies
Answer accepted by topic starter
padrepadre
wrote...
#1
Staff Member
Educator
Top Poster
Posts: 21608
Rep: 4541 17
10 years ago
Sign in or Sign up in seconds to unlock everything for free
1
Mastering in Nutritional Biology
Tralalalala Slight Smile

Related Topics

Jermain_ Author
wrote...
#2
On Hiatus
10 years ago
Thanks man, Principles of Animal Physiology is a bitch
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1255 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 300
  
 215
  
 4838
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 352
Previous poll results: Which country would you like to visit for its food?