After the eighth week of development what is a human embryo called?
a zygote
b infant
c fetus
d morula

What would most likely happen if green plants were exposed to longer days of sunlight? a. the mitochondria would produce less energy . b. the chloroplasts would produce more energy. c. the cell wall would become thicker. d. the vacuoles would quickly shrink.b. the chloroplasts would produce more energy.

People with one sickle cell allele are not likely to get malaria. what is this an example of?

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.