52. Ecosystems

Which of the following best describes the relationship between elements of an ecosystem?

In an introduction to ecosystems, ecosystem services are commonly grouped into four major categories. Which option correctly lists these four categories?

In an introduction to ecosystems, an ecosystem is best described as consisting of which of the following?

Which of the following features are present at the ecosystem level?

Which of the following correctly lists the three basic levels of organization in an ecosystem, along with an example of each?

Which statement about ecosystems is false?

Which of the following statements about the movement of nutrients through an ecosystem is true?

In an ecosystem, phytoplankton are _____.

Which of the following best describes an ecosystem?

In an introduction to ecosystems, an ecosystem consists of which of the following?

Could an ecosystem function without decomposers? Why or why not?

Which of the following items is an abiotic factor in an ecosystem?

In an ecosystem containing only producers (autotrophs) and no consumers or decomposers, which statement best describes what would happen over time?

In the context of an ecosystem, what term describes the role a species plays, including how it uses resources and interacts with other organisms?

Which of the following descriptions about the organization of an ecosystem is correct?