Test Review: Ecosystems, Biomes, & Energy Flow

Front

What is the primary source of energy in an ecosystem?

Back

Sun

Front

Ecologists refer to plants as what?

Back

Producers

Front

What factors most influence an aquatic ecosystem and food web? Options: Light, salinity, temperature, Latitude, Precipitation & Climate, Seasonal fluctuations

Back

Light, salinity, temperature

Front

A single line connecting one organism to another

Back

Food chain

Front

This biome has hot summers, cold winters, diverse grasses, trees, and shrubs, and is common in central US.

Back

temperate grassland

Front

Which biome consists of very low precipitation, can be hot or cold and features nocturnal animals?

Back

desert

Front

What are the key features of the Tundra?

Back

treeless, permafrost, cold dark winters

Front

An ecosystem with high genetic diversity is healthier than an ecosystem with low genetic diversity.

Back

True - it is more stable

Front

How does habitat fragmentation reduce genetic diversity in species?

Back

Habitat fragmentation isolates a large population into smaller groups.

Front

What is an invasive species?

Back

An organism that is new to an environment and has a negative effect on the environment.