Populations and Ecosystems Test Reivew

Front

Which statement BEST explains the flow of energy as it moves through the different levels?

Back

Energy decreases as it is lost as heat to the environment.

Front

What impact do resources, such as sunlight and water, have on a forest ecosystem?

Back

They limit the carrying capacity of the ecosystem.

Front

A relationship that describes a close interaction between two different species is known as what?

Back

Symbiosis

Front

Changes to abiotic factors in an environment can impact biotic factors. Which statement is the BEST example of this situation?

Back

Drought conditions increase competition among consumers.

Front

Dead matter and waste would pile up without which type of organism? Options: decomposer, consumer, producer

Back

decomposer

Front

A pride of lions stalks, tackles, and kills an antelope. Which is best being demonstrated?

Back

predation

Front

Which best describes mutualism?

Back

Ants attack animals that try to feed on the acacia tree, and the ants feed on the nectar of the tree.

Front

The nonliving physical environment of an ecosystem is the __________ component.

Back

abiotic

Front

Which pair of organisms shown are decomposers?

Back

Fungi and Bacteria

Front

Which is most likely to be a primary consumer? Options: herbivore, carnivore, omnivore, multivore

Back

herbivore