Shifting plant populations are an example of biological change. A change in temperature is a physical change. Why do biological and physical changes cause shift in an ecosystem's populations?

Organisms depends on physical and biological factors of an ecosystem.

Explanation:

Biological and physical changes cause shift in an ecosystem's populations because the population of organisms depends and greatly affected from the environmental factors such as temperature, moisture etc. These environmental factors causes change in the physical features of an ecosystem so when these changes occur in physical factors, it greatly affected the population of organisms.

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