× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
r
4
L
4
3
d
3
M
3
l
3
V
3
s
3
d
3
a
3
g
3
j
3
New Topic  
Tegab Tegab
wrote...
Posts: 509
Rep: 0 0
6 years ago
Which structure is not a major diagnostic feature of the chordates?
 
 a. dorsal hollow nerve cord.
  b. notochord.
  c. pharyngeal gill slits.
  d. vertebral column.

Question 2

The dermal endoskeleton of echinoderms is made of
 
 a. cartilage.
  b. bone.
  c. calcium carbonate.
  d. chitin.
Read 84 times
3 Replies

Related Topics

Replies
hk7
wrote...
6 years ago
Answer to q. 1

d

Answer to q. 2

a
Tegab Author
wrote...
6 years ago
What an awesome place to get free homework help
hk7
wrote...
6 years ago
What makes it awesome is that you posted, thanks for trusting us
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1632 People Browsing
Related Images
  
 1723
  
 4382
  
 5859
Your Opinion
Where do you get your textbooks?
Votes: 447