× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
L
3
d
3
y
3
a
3
n
3
d
3
e
3
d
3
c
3
p
3
M
3
a
3
Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
New Topic  
gi.x3 gi.x3
wrote...
Go to Answer
Posts: 735
Rep: 0 0
6 years ago
The very earliest forms of life probably ________.
 
  A) required an external food supply
  B) manufactured their own food supply by photosynthesis
  C) manufactured their own food supply by chemosynthesis
  D) were similar to present-day anaerobic bacteria
Read 67 times
1 Reply
Replies
Answer verified by a subject expert
meek2199meek2199
wrote...
#1
Top Poster
Posts: 617
Rep: 2 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

gi.x3 Author
wrote...

6 years ago
Thanks
Roselalo
wrote...

Yesterday
This site is awesome
big_larry_samp
wrote...

2 hours ago
Just got PERFECT on my quiz
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1195 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 2534
  
 327
  
 104
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 405
Previous poll results: Do you trust social media networks with protecting your privacy?