Question detail

How can the introduction of a new pathogen affect a community?

Try the question, check the answer, then read the explanation to understand the curriculum point.

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At a glance

MCQ

Type

practice

Style

Topic

Adaptations, interdependence and competition

Question

A. It can increase the population of all species
B. It can lead to a decrease in the population of susceptible species
C. It has no effect on the community
D. It can enhance competition among species

Answer

The correct option is It can lead to a decrease in the population of susceptible species. This answer is correct because it matches the approved learning objective to explain how new pathogens can affect populations in a community in the subtopic Biotic factors.

Explanation

The correct option is It can lead to a decrease in the population of susceptible species. It can lead to a decrease in the population of susceptible species is correct because it directly supports the approved learning objective to explain how new pathogens can affect populations in a community. This belongs to the subtopic Biotic factors within Adaptations, interdependence and competition, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Biotic factors.

Common mistake

Biotic factors common mistake 1

Giving a vague answer instead of directly addressing: Explain how new pathogens can affect populations in a community..

Answer by clearly explaining how to explain how new pathogens can affect populations in a community..

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