Environmental Science Final Exam Review Sem. 1 24-25

Front

What is an abiotic factor?

Back

An abiotic factor is a non-living component of an ecosystem, such as rocks, water, and sand.

Front

Which of the following is an abiotic factor: rock, water, sand, or tree?

Back

Tree is not an abiotic factor; it is a biotic factor.

Front

What primarily drives surface ocean currents?

Back

Surface ocean currents are primarily driven by wind.

Front

What is the term for the area where living organisms interact with their physical environment?

Back

Ecosystem.

Front

What are biodegradable pollutants?

Back

Biodegradable pollutants are substances that can be broken down by natural processes.

Front

What is a keystone species?

Back

A keystone species is a species that has a disproportionately large effect on its environment relative to its abundance.

Front

Define biome.

Back

A biome is a large geographic biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

Front

What is the biosphere?

Back

The biosphere is the global sum of all ecosystems, where life exists on Earth.

Front

What is the difference between renewable and nonrenewable resources?

Back

Renewable resources can be replenished naturally over time, while nonrenewable resources are finite and cannot be replaced once used.

Front

What is salinity?

Back

Salinity is the concentration of salts in water, which affects the density and circulation of ocean currents.