× 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
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
Hank Hank
wrote...
Go to Answer
Posts: 498
Rep: 0 0
6 years ago
The differential distribution of wing length in Drosophila, with larger wings in northern areas and
  smaller wings in southern climates, provides evidence that:a.
   chance is the most important agent in evolutionary change.
  b. natural selection is the most important agent in evolutionary change.
  c. wing length is not a heritable trait.
  d. the fossil record is usually inaccurate.
  e. the molecular clock cannot be applied to fruit fly traits.

Question 2

What process provides the genetic variability that natural selection acts on during evolution?
  a. adaptation
  b. artificial selection
  c. fitness
  d. mitosis
  e. mutation
Read 60 times
3 Replies
Replies
Answer verified by a subject expert
ReneRene
wrote...
#1
Top Poster
Posts: 592
Rep: 1 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Hank Author
wrote...
#2
6 years ago
Nice!
wrote...
#3
6 years ago
Happy Dummy
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1008 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 268
  
 106
  
 863
Your Opinion
Which country would you like to visit for its food?
Votes: 262
Previous poll results: Where do you get your textbooks?