Ecosystems and Biogeochemical Cycles

All the giraffes in an area would be an example of a(n). (assume they belong to the same species).

• Community

• Ecosystem

• Biosphere

• Population

The broadest, most inclusive level of ecological organization is

• Community

• Ecosystem

• Biosphere

• Population

A community of organisms interacting with each other and the non-living part of their environment is

• Symbiosis

• Ecosystem

• Biosphere

• Community

The relationship in which one organism benefits and the other is harmed is called:

• Symbiosis

• Parasitism

• Mutualism

• Commensalism

The simplest level of organization in ecology is:

• Organism

• Ecosystem

• Biosphere

• Population

What cycle shows how gas is transferred between plants and animals?

• Water

• Carbon

• Nitrogen

• Sulfur

Organisms that feed recently dead animals, fallen leaves and animal wastes are:

• Autotrophs

• Detritivores

• Decomposers

• Carnivores

The sardine eats plant and animal plankton. Which of the following best describes the sardine?

• Producer

• Omnivore

• Herbivore

• Consumer

A butterfly eats the nectar of the flowers. Which of the following best describes the butterfly?

• Producer

• Herbivore

• Carnivore

• Omnivore

The conversion of Ammonia (NH3) to nitrite (NO2-) and then to nitrate (NO3-), labeled C is called:

• Denitrification

• Assimilation

• Ammonification

• Nitrification

Tags

NGSS.MS-LS2-3