The feeding relationships among the species in a community determine the community's: a. trophic structure. b. ecological niche. c. species richness. d. secondary succession.

Trophic structure.

Explanation:

The ecology includes all the living and non living components of an area. The relationship between the organisms in terms of food, energy and numbers can be indicated by the different pyramids and food chain.

The food chain determines the sequential trophics level of the ecosystem. The organisms eat other organisms and may itself get eaten by other organism is explained by the different trophic levels that includes the different food chain and food web.

Thus, the correct answer is option (a).

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project

the elements of art are the visual tools that the artist uses to create a composition. these are line, shape, color, value, form, texture, and space.

the principles of art and design are balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.