Question

A branch of ecology concerned
especially with the structure,
composition, and interrelationships of
plant communities---​

Answer 1

Answer:

: a branch of ecology concerned especially with the structure, composition, and interrelationships of plant communities.

community's structure can be described by its species richness, which is the number of species present, and species diversity, which is a measure of both species richness and species evenness (relative numbers).

Community structure is influenced by many factors, including abiotic factors, species interactions, level of disturbance, and chance events.

Some species, such as foundation species and keystone species, play particularly important roles in determining their communities' structure.Different ecological communities can be pretty different in terms of the types and numbers of species they contain. For instance, some Arctic communities include just a few species, while some tropical rainforest communities have huge numbers of species packed into each cubic meter.

One way to describe this difference is to say that the communities have different structures. Community structure is essentially the composition of a community, including the number of species in that community and their relative numbers

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