Ecosystems (2.1.1)

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (soil, water, air) in a specific area.

Front

What are abiotic factors in an ecosystem?

Back

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

Front

What are biotic factors in an ecosystem?

Back

Biotic factors are the living components of an ecosystem, including plants, animals, fungi, and microorganisms.

Front

What is the role of primary producers in an ecosystem?

Back

Primary producers, such as plants and algae, convert sunlight into chemical energy through photosynthesis, forming the base of the food chain.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, defined by how organisms obtain their energy.

Front

What are primary consumers?

Back

Primary consumers are organisms that eat primary producers; they are typically herbivores.

Front

What are secondary consumers?

Back

Secondary consumers are organisms that eat primary consumers; they can be carnivores or omnivores.

Front

What is nitrogen fixation?

Back

Nitrogen fixation is the process by which nitrogen gas from the atmosphere is converted into ammonia or related compounds in soil, making it available for plants.

Front

How do decomposers contribute to an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the soil and making them available for plants.

Front

What is the carbon cycle?

Back

The carbon cycle is the process by which carbon is exchanged between the atmosphere, land, water, and living organisms.