Why is meiosis important for organisms? A. It allows for genetic variation among organisms.
B. It determines which genes are dominant and which are recessive.
C. It produces genetically identical cells.
D. It provides a means of asexual reproduction.

Which locations on the map are low-pressure areas? a b c d e

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from

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.