geography year 10-ecosystems

what is a producer?

a living organism that can make its own food, usually through photosynthesis

what is a consumer?

a living organism that eats other organisms to gain energy

what is a decomposer?

a living organism that breaks down dead plants, animals and waste

what is nutrient cycling?

when nutrients is brought back into the soil from decomposed plants and animals, fertilising the soil

what is a food web?

a diagram showing how many plants and animals in an ecosystem are connected by what they eat

what is a food chain?

a simple path of energy in nature, showing who eats whom