Which Is an Example of a Mutualistic Interaction

question 97

Multiple Choice

Which is an example of a mutualistic interaction?

• A) A virus infects a bird, thus reducing the bird's fecundity.
• B) A blue jay chases sparrows from a bird feeder so it can eat the seeds.
• C) Barnacles remain safe by riding on a whale, while the whale is unaffected.
• D) A wasp lays its eggs inside a caterpillar, and the hatched wasp larvae consume the caterpillar.
• E) A bacterium lives in a plant's roots and fixes nitrogen for the plant, which in turn provides nutrients to the bacterium.

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