AK SCI Review - Life Sci 3

Front

What effect does an increase in food resources have on a population of herbivores in an ecosystem?

Back

Increase in population size

Front

Which of the following is an example of a parasitic relationship?

Back

A tapeworm living in the intestines of a mammal

Front

What is the primary source of energy for most ecosystems on Earth?

Back

Sunlight

Front

What role do decomposers play in the cycling of matter in an ecosystem?

Back

They break down dead organisms and recycle nutrients

Front

How can deforestation impact the populations of organisms in an ecosystem?

Back

Decrease available habitats

Front

Define ecosystem.

Back

A community of living organisms and their interactions with their environment.

Front

What is a producer in an ecosystem?

Back

An organism that produces its own food, typically through photosynthesis.

Front

What is a consumer in an ecosystem?

Back

An organism that obtains energy by consuming other organisms.

Front

What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.