A "tree of life" explains:

a. how organisms are related to each other

b. how organisms differ from each other

c. the lineages of various organisms.

d. All of the above

Since a and c are correct, I assume that b is also right. Therefore, I believe the answer is d.

http://en.wikipedia.org/wiki/Tree_of_life#Biology

Question D seems to be correct

Thank You So Much!

IS B. THE ANSWER TO THIS ONE?

Which of the following statements are true?

A.) Destruction of rain forests has no effect on living things.
B.) Destruction of rain forests increases the rate of evolution of rain forest organisms.
C.) Humans have had no impact on the world's environment.
D.) Humans have had no impact on the world's environment.

B is not correct.

Is there another answer for C or D?

Sorry its,

C. Humans have had no impact on the world's environment

D. Humans have had a large impact on the world's environment

Which do you think is correct?

I think D.

Correct.

thank you

You're welcome.