A constant input of energy from the Sun is necessary to maintain any ecosystem. What contributes to the sustainability (balance) of an ecosystem? A)Small Population sizes

B)Lack of adaptations

C)Polluted water source

D)Biodiversity (many different species of organisms)

D) Biodiversity (many different species of organisms)

Explanation:

The ability to maintain the ecosystem and the surrounding nature is called sustainability. It is very important to for the sustainable development of the planet.

Biodiversity is the main contribution towards the sustainability of the ecosystem or maintaining a balance in the ecosystem. Biodiversity boosts the  productivity of the ecosystem where each and every species, no matter however small they are, plays an important role in the ecosystem.

69 is the correct math for the amino acids

answer; cnidarians;