Question

Bio question 4

Answer 1

@dan815

Answer 2

i cannot participate in this BS anymore, this science is a religion they are feeding the youth, creating unbelievers by the end of their education

Answer 3

Huh?

Answer 4

o-o

Answer 5

i find this question so offensive 2.5 billion years my butt

Answer 6

Offensive? Why?

Answer 7

Alright then...

Answer 8

They are so lost in this junk, and they are feeding it down the throats of the young kids in our generation

Answer 9

What junk? It's a biology question for school...

Answer 10

I'm so confused lol

Answer 11

@dan815 what is wrong with you? ITs a science question quit spamming the post.

Answer 12

@vera_ewing is there an article that goes with this?

Answer 13

Nope

Answer 14

What do you think the answer is? c:

Answer 15

These are the practice questions for Unit 2: Evolution

Answer 16

I think it's C but I'm not sure

Answer 17

I think thats correct because...
"The first eukaryotic cells (organisms with one or more complex cells, each of which contains a nucleus and is surrounded by a membrane that holds the cell’s genetic material) evolved sometime between 2.5 and 1.7 billion years ago, perhaps coincident with the rise in atmospheric oxygen to a level able to support this more complex life. The nucleus in these cells was able to hold and protect complex molecules such as RNA and DNA."
http://www.physicsoftheuniverse.com/topics_life_early.html

Answer 18

Ah, I see. Thanks Pooja!

Answer 19

:)