Ans.
The ecosystem biodiversity is defined as variability among living beings (plants, animals, and microbes) present in an ecosystem. An ecosystem biodiversity can be measured by counting the number of organisms present in that ecosystem by using several indices, such as Simpson index, which includes measurement of number of species present in an ecosystem and their relative abundance of species, known as species richness.
Thus, the correct answer is 'option C). count the number of species, and ,measure their relative abundance.'
Answer: the answer is c for a;p;e;x as well
Explanation:
a-p-e-x- family ^-^
