NES Elementary Education Subtest 2 Complete Practice Exam 2025

Question: 1 / 400

What is mutualism?

A relationship where one species benefits and the other is harmed

A relationship where both species benefit from the interaction

Mutualism is a type of symbiotic relationship in which both species involved derive benefits from their interaction. This often enhances their survival, growth, or reproduction. For example, in a mutualistic relationship between bees and flowering plants, bees obtain nectar as a food source while simultaneously facilitating the pollination of the plants, which leads to the plants’ reproduction. This mutual benefit reinforces the idea that such relationships can be crucial in ecosystems, promoting biodiversity and stability. Understanding mutualism is fundamental in ecology, as it highlights the interconnectedness of species and how these interactions can shape ecological dynamics.

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A relationship that benefits only the host species

A neutral interaction between two species

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