× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
g
3
3
2
J
2
p
2
m
2
h
2
s
2
r
2
d
2
l
2
a
2
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
LesleyCher LesleyCher
wrote...
Go to Answer
Posts: 458
Rep: 0 0
6 years ago
Does this experiment support the conclusion that prairie dogs are a keystone species?
 
  a. Yes, because once they recovered other populations declined.
  b. Yes, because they tracked the recovery of grasses and forbs.
  c. Yes, because once prairie dogs recovered other population levels tracked their recovery.
  d. No, the experiment refutes the conclusion that prairie dogs are a keystone species.

Question 2

To determine whether gene transfer has been successful, one would add
 
  a. nutrient broth to the medium.
  b. plasmids to the culture dish.
  c. amino acids to the culture dish.
  d. antibiotics to the culture dish.
  e. DNA to the medium.
Read 57 times
1 Reply
Replies
Answer verified by a subject expert
slpconnerslpconner
wrote...
#1
Posts: 321
Rep: 0 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

LesleyCher Author
wrote...

6 years ago
This helped my grade so much Perfect
larrybrads
wrote...

Yesterday
Helped a lot
Gorgio_De
wrote...

2 hours ago
Thanks
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1068 People Browsing
 114 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 836
  
 86
  
 37
Your Opinion
How often do you eat-out per week?
Votes: 79
Previous poll results: What's your favorite funny biology word?