OBJECTIVE LIFE SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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average temperature of the ecosystem
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type of soil in the ecosystem
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number and kinds of predators in the ecosystem
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concentration of oxygen in the ecosystem
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Detailed explanation-1: -Answer and Explanation: One biotic factor that affects the size of a population in an ecosystem is the number and type of predators in that ecosystem.
Detailed explanation-2: -A biotic factor is a living organism and can affect population size of a species in an ecosystem. Biotic factors include predators, parasites, food supply, competition and human impacts.
Detailed explanation-3: -An abiotic factor is a non-living part of an ecosystem that shapes its environment. In a terrestrial ecosystem, examples might include temperature, light, and water. In a marine ecosystem, abiotic factors would include salinity and ocean currents.
Detailed explanation-4: -availability of food. the presence of new predators. competition between organisms.