Ecosystems

• Term used to describe a group of organisms that can interbreed to provide fertile offspring

  Species
• Biodiversity: the variety of species in a particular area
• A population is a group of organisms of the same species living in the same area.
• A herbivore is an organism that eats plants and other herbaceous plants
• Green plants are generally described as autotrophs (producers) because they are able to synthesise their own food
• Organisms that eat other organisms are known as consumers.
• A carnivore is an animal that eats other animals.
• An organism that eats both plants and animals is known as a omnivore.
• A predator is an organism that hunts and kills other organisms for food.
• Prey is the animal that is hunted by a predator.
• A food chain shows the feeding relationships and flow of energy between organisms in an ecosystem.
• A food web is a network of interconnected food chains.
• Ab ecosystem is a community of organisms and their physical environment.
• A habitat is the place where an organism lives and the conditions in which it lives.
• A niche is the role of an organism in its environment.
• Interspecific competition is when one species competes with another for the same resources.
• Intraspecific competition is when a species competes with itself for resources and territory etc
• There can be competition for

  Food

  Water

  Mates

  Land