52. Ecosystems

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?

Which of the following is an abiotic change in an ecosystem?

Which of the following is an example of a biotic factor in an ecosystem?

In an introduction to ecosystems, how is a habitat different from an ecosystem?

In an ecosystem, how do nutrients typically move through the environment?

Which of the following statements about ecosystems is true?

Which ecosystem makes up approximately 70\% of the Earth's surface?

In an introductory ecology context, what is an ecosystem comprised of?

Which ecosystem service is MOST directly provided by dung beetles in terrestrial ecosystems?

Which of the following is an example of an ecosystem (a community of organisms interacting with each other and with the physical environment)?