What is the genotype of the parents if allele B is dominant over allele b?

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it

When a cell is in a solution that has the same concentration of water and solutes as its cytoplasm, the cell is said to be in a(n) solution. a. isotonic b. hypotonic c. hypertonic b. facilitated