× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
I
3
p
2
w
2
y
2
J
2
Q
2
r
2
o
2
e
2
j
2
d
2
T
2
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
avaasadi avaasadi
wrote...
Go to Answer
Posts: 447
Rep: 0 0
6 years ago
Which statement about the geologic time scale is false?
  a. Mammals originated early in the Mesozoic era.
  b. Radiations of marine invertebrates took place in the Mesozoic era.
  c. Mass extinction of the dinosaurs occurred about 65 million years ago.
  d. Reptiles originated during the Paleozoic era.
  e. Eukaryotes originated during the Proterozoic eon.

Question 2

Which interval is classified as a period in the geologic time scale rather than an era?
  a. Mesozoic
  b. Proterozoic
  c. Carboniferous
  d. Cenozoic
  e. Paleozoic
Read 52 times
3 Replies
Replies
Answer verified by a subject expert
houghtk2houghtk2
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

avaasadi Author
wrote...
#2
6 years ago
TY
wrote...
#3
6 years ago
My pleasure
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1664 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 1131
  
 556
  
 480