Unit 9: Ecology

Front

What are the living portions of the ecosystem?

Back

Biotic factors

Front

What is a relationship between two organisms in which one organism benefits and the other is unharmed?

Back

Commensalism

Front

Which biome has deciduous trees that lose their leaves in the fall?

Back

Temperate Forest

Front

Which one is NOT an example of a decomposer?

Back

Leaves

Front

What symbols best describe parasitism?

Back

+,-

Front

Define biotic factors in an ecosystem.

Back

Biotic factors are the living components of an ecosystem, including plants, animals, and microorganisms.

Front

Define abiotic factors in an ecosystem.

Back

Abiotic factors are the non-living components of an ecosystem, such as sunlight, water, temperature, and soil.

Front

What is mutualism?

Back

Mutualism is a symbiotic relationship where both organisms benefit.

Front

What is competition in ecology?

Back

Competition is a relationship where two organisms vie for the same resources, which can be detrimental to both.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.