Fred went to the doctor because his body was not producing semen. Which part of Fred's body was most likely functioning incorrectly to cause this problem.

A. scrotum
B. glands
C. urinary bladder
D. penis

Dna is the genetic material that makes up living things, and folic acid plays an important role in the information of dna. jon wants to study the effect of folic acid on dna formation in microbes. which statement accurately describes the variables in this study

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

1. -define adaptation2 explain darwin's theories of descent with modification and natural selection in detail3. -explain how each of these provides evidence for evolution: a. -fossil record, including superposition and transitional fossilsb-anatomy, including homologous structuresc-biological molecules, including dna and proteins4. -explain the difference between convergent and divergent evolution.5. -define and give three examples of artificial selection6. -define and give one example of coevolution.7. -explain biodiversity and how it benefits humans.8. -explain a type of population lest affected by environmental change.