× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
e
5
e
4
4
d
4
o
3
p
3
t
3
3
m
3
p
3
m
3
f
3
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
kellydevenney kellydevenney
wrote...
Go to Answer
Posts: 460
Rep: 0 0
6 years ago
Adult insects exchange respiratory gases primarily by means of:
 
  a. spiracles only
  b. tracheal tubes and spiracles
  c. lungs
  d. gills
  e. body surface

Question 2

Which annelid subgroup has many chitin-reinforced bristles called chaetae on their segments?
 
  a. polychaetes
  b. oligochaetes
  c. leeches
  d. earthworms
  e. tapeworms
Read 174 times
2 Replies
Replies
Answer verified by a subject expert
TokeloTokelo
wrote...
#1
Top Poster
Posts: 553
Rep: 0 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

wrote...
#2
3 years ago
Thanks
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1013 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 144
  
 869
  
 2465
Your Opinion
What's your favorite coffee beverage?
Votes: 299
Previous poll results: What's your favorite funny biology word?