It is useful for an ecologist to identify the keystone species in an ecosystem because the keystone species is important to maintaining the stability of an ecosystem, and any changes in the keystone species population shows that there is changes in ecosystem health.
brain or nervous system cells are called as neurons
Environment, predators, and natural selection.
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solar energy is energy that is produced from the sun and is "caught" in solar panels
Pluto is yo answer ma maaan
