Manure from a Farming Operation That Enters into a Stream

question 53

Multiple Choice

Manure from a farming operation that enters into a stream would be considered?

• A) allochthonous
• B) autochthonous
• C) both allochthonous and autochthonous
• D) neither allochthonous nor autochthonous as the input is not natural

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Definitions:

Secondary Consumer

An organism that feeds on primary consumers; typically a carnivore or omnivore that occupies the third trophic level in a food chain.

Decomposer

Organisms, such as bacteria and fungi, that break down dead organisms and waste materials, recycling nutrients in ecosystems.

Fungi

A kingdom of complex organisms that obtain nutrients by breaking down organic material, including molds, yeast, and mushrooms.

Secondary Consumer

An organism that primarily eats primary consumers, which are herbivores that eat producers like plants and algae, situating it in the middle level of the food chain.