× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
e
4
h
4
h
4
m
3
d
3
B
3
o
3
w
3
H
3
a
3
c
3
k
3
New Topic  
yxc47 yxc47
wrote...
Posts: 739
Rep: 0 0
6 years ago

The Mesozoic is known as the Age of Reptiles because
  a. no mammals had yet evolved.
  b. no birds had yet evolved.
  c. Paleozoic invertebrates had all gone extinct.
  d. reptiles were highly diverse and filled many niches.
  e. amphibians evolved into small body sizes.

Read 73 times
1 Reply
Replies
Answer verified by a subject expert
NetsirkNetsirk
wrote...
Top Poster
Posts: 638
Rep: 8 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

yxc47 Author
wrote...

6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
wrote...

Yesterday
Thanks
Mcb
wrote...

2 hours ago
You make an excellent tutor!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  885 People Browsing
Related Images
  
 829
  
 249
  
 79
Your Opinion
How often do you eat-out per week?
Votes: 81