Environmental science test

What is the Biosphere?

The biosphere is the region of the Earth where life can be found, including the soil, water, and air.

Name the three parts of the biosphere.

lithosphere, hydrosphere and atmosphere.

What is a biotic feature?

Biotic factors are living things within an ecosystem

What is an abiotic feature?

abiotic factors are non-living chemical and physical parts of the environment

What is the difference between a population and a community?

A population is a group of the same species living in the same area. A community is a group of different species living in the same area.

What is an adaptation?

The ability of living organisms to adjust themselves to their surroundings

Describe the THREE types of adaptations.

Structural, physiological and behavioural

How do adaptation develop in a species?

Adaptations usually occur because a gene mutates or changes by accident

Describe the tundra biome

The tundra is the coldest of the biomes. It also receives low amounts of precipitation, making the tundra similar to a desert.

What is biodiversity?

the variety of plant and animal life in the world or in a particular habitat

What are the 3 types of biodiversity?

genetic diversity, species diversity and ecosystem diversity.

What does HIPPO stand for?

Habitat loss, invasive species, pollution, population and over harvesting

Identify the benefits of healthy ecosystems for people.

They help clean our air, purify our water, produce food

What is ecosystem resilience and how does this relate to biodiversity?

Ecosystem resilience is the ability of an ecosystem to absorb change and return to the same state after a disturbance.