Environmental Science Benchmark 2 Review

Front

What is the biggest cause of biodiversity loss today?

Back

Habitat change and fragmentation.

Front

How do zoos and aquariums help increase wildlife populations?

Back

Through captive breeding programs.

Front

What term do ecologists use to describe large regions characterized by similar ecosystems?

Back

Biomes.

Front

Which biome has the least amount of vegetation cover?

Back

Desert.

Front

What is the definition of risk in environmental science?

Back

The probability that a hazard will cause a harmful response, such as death or disease.

Front

What is biodiversity?

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What is an ecosystem?

Back

A community of living organisms and their physical environment interacting as a system.

Front

What is the role of keystone species in an ecosystem?

Back

They have a disproportionately large effect on their environment relative to their abundance.

Front

What is the difference between renewable and non-renewable resources?

Back

Renewable resources can be replenished naturally over time, while non-renewable resources are finite and cannot be replaced.

Front

What is habitat fragmentation?

Back

The process where large habitats are broken into smaller, isolated patches.