Question

1.(a) Explain how natural ecological communities are structured?..(b) Explain how biodiversity is important to an ecosystem?

Answer 1

A) main points of ecological community structure are:

Community structure can be described by its species richness means number of species present and species diversity means measurement of both species richness and eveness (relative number). Community structure is influenced by factors like abiotic factors, species interactions, level of disturbances and event chances. Keystone species and foundation species plays inportant role in their's community structure.

B) biodiversity is the number of variety of species or organsim. Healthy ecosystem and rich biodiversity increase the productivity, supports larger number of plant species thus variety of crops, protect fresh water resources, contribute to climate stability, orovide more food and medical or pharmaceutical resources etc.

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