If you were trying to decide if an unknown organism is an archaebacterium or a eubacterium you would look at the cell membrane because?

a. ribosomes can't be used to distinguish archaebacteria from eubacteria.
b. only eubacteria have ribosomes.
c. only archaebacteria have ribosomes.
d. the ribosomes in archaebacteria and eubacteria are different.

How can you approximate the number of calories required to keep you in energy balance?

Pls need ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

Several billion years ago which gas was the least prevailant in the atmosphere