Is a proposition that has not been empirically proven yet, and that attempts to describe or justify a system or phenomenon.
Answer:
Biotic factors such as the presence of autotrophs or self-nourishing organisms such as plants, and the diversity of consumers also affect an entire ecosystem. Abiotic factors affect the ability of organisms to survive and reproduce. Abiotic limiting factors restrict the growth of populations.
Explanation:
I think the right answer is d!
It is twisted to create a greater surface area for digesting and to increase the nutrient absorption.
