8. What factor contributes the most to the overall health and sustainability of an
ecosystem?

The higher biodiversity in an ecosystem means that there is a greater variety of genes and species in that ecosystem. A great variety of genes and species means that the ecosystem is better able to carry out natural processes in the face of external stress. Thus, the ecosystem is more sustainable.

The higher biodiversity in an ecosystem means that there is a greater variety of genes and species in that ecosystem. There are a great variety of genes and species, which means that the ecosystem is able to carry out natural processes in the face of external stress.

That is true tge cactus as a structural adaptation to its envirinment has it leaves reduced to spines. but this doesnt mean it cant produce food it produces food because of the presence of chlorophyll in its stem