In a plant that has red flowers, red flower color, r, is completely dominant to white flower color, r. if the plant is heterozygous for flower color, which alleles will be carried by the gametes it produces?

What are two reasons for why a species might disappear from the fossil record?

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

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