Ecosystem Organization

Front

Which option correctly shows the hierarchy of an ecosystem from the lowest level to highest level? Options: A. Organisms, populations, communities, ecosystem; B. Ecosystem, communities, populations, organisms; C. Ecosystem, populations, organisms, communities; D. Organisms, communities, populations, ecosystem

Back

Organisms, populations, communities, ecosystem

Front

Which best describes how ecosystems are broken down? Options: A. Ecosystems are broken down into communities made of organisms, which are made of populations that live in the same area. B. Ecosystems are broken down into communities made of populations, which are made of organisms that live in the same area. C. Populations are made of communities of the same species that live in the same area. D. Ecosystems are made of communities that live in the same area.

Back

Ecosystems are broken down into communities made of populations, which are made of organisms that live in the same area.

Front

Which is NOT a population in the ecosystem shown below? Options: Two or more fish, A group of seahorses, A single fish, A group of seahorses and their young

Back

A single fish

Front

Which statement BEST describes a population in the Texas Gulf Coast ecosystem? Forty-five sandhill cranes that feed in the salt marsh, All the pelicans and egrets in Texas., A mated pair of migrating ducks wading in the salt marsh., Oystercatchers and seagrass interacting with water and sand.

Back

Forty-five sandhill cranes that feed in the salt marsh