What Is the Major Distinction, If Any, Between a Food

question 207

Multiple Choice

What is the major distinction, if any, between a food web and an interaction web?

• A) There is no distinction; they are the same thing.
• B) A food web shows only trophic interactions; an interaction web shows both trophic and nontrophic interactions.
• C) A food web shows only trophic interactions; an interaction web shows only nontrophic interactions.
• D) A food web simply illustrates energy interactions; an interaction web also gives quantitative measurements of these interactions.
• E) It is relatively easy to map all interactions in a food web; it is almost impossible to map all interactions in an interaction web.

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Definitions:

Female Gametophyte

The haploid phase in the life cycle of plants and algae that produces female gametes or eggs.

Pine Life Cycle

The series of stages a pine tree undergoes from seed germination to maturity, reproduction, and eventually death.

Ginkgo

Member of phylum Ginkgophyta; maidenhair tree.

Gymnosperms

A group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes, distinguished by having the seeds unprotected by an ovary.