Most organisms in the fossil record no longer live on Earth. What does this
imply?
A. That organisms on Earth are not related
B. That the organisms are now extinct
C. That all organisms appeared on Earth at the same time
D. That organisms living today cannot become fossils

Explanation:

The fossil record

This supports Darwin's theory of evolution, which states that simple life forms gradually evolved into more complex ones. Evidence for early forms of life comes from fossils. By studying fossils, scientists can learn how much (or how little) organisms have changed as life developed on Earth.

i think it’s c but i might be wrong. if i am let me know! have a good rest of your day as well!

you know they are heterozygous for a trait because they have it as jj or jj.