What was the purpose of Miller and Urey's experiment? A. to determine the number of biological molecules on Earth

B. to determine whether prokaryotes have cell membranes

C. to find out if prokaryotes evolved from eukaryotes

D. to see if simple molecules can combine spontaneously

Hint: It's D :)

D. To see if simple molecule can combine spontaneously

Explanation:

Thanks :)

the correct answer should be false

{apex}

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands