Hierarchy of Ecosystems

Front

What is the definition of an ecosystem?

Back

An ecosystem is a community of living organisms (plants, animals, and microbes) interacting with their physical environment (soil, water, and climate) as a system.

Front

What is a community in ecological terms?

Back

A community is a group of different species that live together in one area and interact with each other.

Front

Define the term 'population' in ecology.

Back

A population is a group of individuals of the same species that live in the same area at the same time.

Front

What is a biome?

Back

A biome is a large geographical 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, including land, water, and the atmosphere.

Front

What is a biotic factor?

Back

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

Tags

NGSS.MS-LS2-4

Front

What is an abiotic factor?

Back

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

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Front

Give an example of a biotic organism.

Back

A fallen tree is an example of a biotic organism as it was once living and provides habitat for other organisms.

Front

What is the smallest level of organization in ecology?

Back

The smallest level of organization is the organism, which refers to an individual living entity.

Front

What level of organization includes both living and nonliving things?

Back

An ecosystem includes both living (biotic) and nonliving (abiotic) components.

Tags

NGSS.MS-LS2-3