Water and food are both examples of factors. A .limiting
B. abiotic
C. carrying
D. biotic

C. Carrying

Explanation:

some are for shaping the environment or the ecosystem like abiotic, while limiting is the lack of foods. abiotic is the same as biotic. while carrying is to sustain foods, water, space.

b a mature ovary of a plant.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.