In gymnosperms, male gametes are located in the , at the tip of the , and female gametes are located in the at the base of the . Pollination occurs via . In angiosperms, male gametes are located in the at the top of the , and female gametes are located in the at the base of the . Pollination occurs via .

Does masterbation affect height growth or loss of growth hormone?

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper