Pollution can effect the food chain and the food web In many ways. The first of wich is it can kill off animals. A good example of this is marine life.
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You would place the baseball into water that has already been measured. Then, find the difference(subtract) between the new water level and the old water level.Hope this helped
Answer:
limiting factor
Explanation:
In an ecosystem, certain factors hinder the growth or abundance of the population of organisms. These factors are called LIMITING FACTORS. Limiting factors, which can be biotic, food, drought, predation, disease etc, are factors that inhibits a population of organism from becoming enlarged. There are two types of limiting factors viz: density dependent (depends on size) and density independent (not dependent on size).
This is the case of a drought that dries up the stream that inhabits a population of salamanders. The drought causes the unavailability of water, which will ultimately have an effect on the growth of the salamander population. Hence, the DROUGHT is considered a LIMITING FACTOR.
What grade are you in if you are in 5th or 6th i can help you
