How is population different than a community

A group of organisms of the same species living in the same place at the same time is called a population. If we put populations of different species together, that's called a community.

Explanation:

d) center of the mid-ocean ridge

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sinserly,

steckh986

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.