× 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  
Nwere Nwere
wrote...
Posts: 496
Rep: 0 0
6 years ago
The organs of excretion in flatworms are
  a. nephridia.
  b. contractile vacuoles.
  c. Malpighian tubules.
  d. flame cells.
  e. book lungs.

Question 2

The first phylum with three germ layers is
  a. Cnidaria.
  b. Platyhelminthes.
  c. Annelida.
  d. Arthropoda.
  e. Nematoda.
Read 45 times
1 Reply
Replies
Answer verified by a subject expert
FnsameFnsame
wrote...
Top Poster
Posts: 588
Rep: 3 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Nwere Author
wrote...

6 years ago
Brilliant
wrote...

Yesterday
Smart ... Thanks!
wrote...

2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1021 People Browsing
 122 Signed Up Today
Related Images
  
 335
  
 319
  
 276
Your Opinion
What's your favorite coffee beverage?
Votes: 303