Why Is the Symbiotic Relationship of Truffle Mushrooms and Tree

question 37

Multiple Choice

Why is the symbiotic relationship of truffle mushrooms and tree roots considered to be crucial to the colonization of land?

• A)This relationship is found in some of the oldest plant fossils.
• B)Truffles have the terrestrial adaptation of seeds.
• C)Tree roots can be found only in terrestrial environments.
• D)Truffles provide trees with sugars.

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Definitions:

Facilitation

The process by which certain living organisms make an environment more suitable for other organisms to inhabit, often leading to changes in the community composition.

Ecosystem

A biological community of interacting organisms and their physical environment, functioning as a system through nutrient cycles and energy flows.

Immature Ecosystems

Ecosystems in the early stages of development, which have yet to reach a stable climax community and are characterized by rapid changes in species composition and structure.

Food Webs

A food web consists of all the food chains in a single ecosystem.