Which of the following represents change to an ecosystem brought about by abiotic factors? a) the increase in plant populations due to human activities b) the increase in a predator population due to the increase in prey population c) the decrease in plant species due to herd grazing d) the extinction of a plant species due to disease e) the decrease in plant populations due to a decrease in the available water supply

The answer is E.

Abiotic factors are nonliving things in an environment. Water is an abiotic factor, and its decrease causes change in an ecosystem.

E) the decrease in plant populations due to a decrease in the available water supply

Explanation:

In the ecosystems, there are two types of factors interacting all of the time. Abioticand Biotic. "Bio" means life so "abiotic" is non-living, while "biotic" is living.

In the possible answers provided, all the alterations are provoque by biotic factors except one:

A) the increase in plant populations due to human activities (Biotic)

B) the increase in a predator population due to the increase in prey population (Biotic)

C) the decrease in plant species due to herd grazing (Biotic)

D) the extinction of a plant species due to disease (Biotic)

E) the decrease in plant populations due to a decrease in the available water supply (Abiotic)

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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