Autosomes contain genes for characteristics not directly related to the sex of an organism. true

false

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.

How does climate change affect producers?

Which organelle stores most of a cell’s dna?