How might the occurrence of sickle cell anemia change if antimalarial drugs and preventative measures (such as the use of mosquito netting) become more widespread in tropical regions?

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.

How does climate change affect producers?