ST1. Ecosystems N5 (LOE) Flashcards
What is a species?
A species is a group of organisms which can interbreed and produce fertile offspring
What is biodiversity?
Biodiversity refers to the range of species within an ecosystem
What is a population?
A population is a group of organisms of the same species
What is a producer?
A producer is green plant which produces its own food using photosynthesis
What is a consumer?
A consumer is an organism which consumes the producer for food
What is a herbivore?
A herbivore is an organism which only consumes plant matter
What is a carnivore?
A carnivore is an organism which only consumes animal matter
What is an omnivore?
An omnivore is an organism which consumes both plant and animal matter
What is a predator?
A predator is an animal which hunts other animals (prey) for food
What is prey?
Prey is an organism which is hunted and killed by a predator
What is a food chain?
A food chain is a diagram which shows a simple feeding relationship between organisms
Describe an ecosystem
An ecosystem consists of all the organisms (the community) living in a particular habitat and the non-living components with which the organisms interact
What is a niche?
A niche is the role that an organism plays within a community
When does competition occur?
Competition occurs when resources organisms require are in short supply
What is interspecific competition?
Interspecific competition occurs amongst individuals of different species for one or a few of the resources they require
