GCSE - Ecosystems Keywords (Living World)

Connections between different organisms (plants and animals) that rely upon one another as their source of food

• Food Chain

• Food Web

• Habitat

• Biome

A vast, flat, treeless Arctic region of Europe, Asia, and North America where the subsoil is permanently frozen

• Polar

• Arctic

• Tundra

• Boreal

A community of plants and animals that interact with each other and their physical environment

• Habitat

• Ecosystem

• Biome

• Food Web

An organism or plant that is able to absorb energy from the sun through photosynthesis

• Primary Consumer

• Secondary Consumer

• Tertiary Consumer

• Producer

The process in which an organism or species changes to become better suited to its environment

• Darwinism

• Evolution

• Changes

• Adaptations

On-going recycling of nutrients between living organisms and their environment

• Carbon Cycle

• Nutrient Cycle

• Water Cycle

• Food Chain

An organism that eats herbivores and/or plant matter (eats producer)

• Consumer

• Producer

• Decomposer

• Devourer

A complex hierarchy of plants and animals relying on each other for food

• Nutrient Cycling

• Food Chain

• Food Cycle

• Food Web

The variety of life in the world or a particular ecosystem

• Environmental Diversity

• Biodiversity

• Economic Diversity

• Biological

Organisms such as bacteria or fungi that break down plant and animal material (breaks down consumer)

• Producer

• Decomposer

• Ants & Beetles

• Microscopic Animals