Answer:
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.
A. Water being pumped in and out of guard cells.
The answer is none of the above because organic materials, gasses, and minerals are all component soils.
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Sorry i needed the points... good luck tho
Answer:
D
Explanation: Population will proceed to grow, until resources are used up, then population begins to decrease.
