Key area 1- Ecosystems Flashcards
Definition of species
A group of living things that are able to produce fertile offspring
Definition of biodiversity
The variety of living things in a area
Definition of population
All the organisms of the same species living in the same area
Definition of an ecosystem
All the organisms living in an environment and the non-living components with which the organisms interact
Definition of habitat
The place where an organism lives
Definition of producer
A plant at the beginning of a food chain which is able to produce it’s own food.
Definition of a consumer
An animal or plant that eats another plant or animal for energy
Definition of a herbivore
An organism that only eats plants
Definition of a carnivore
An organism that only eats other animals
Definition of a omnivore
An organism that eats both plants and other animals
What is a predator?
An organism that hunts prey
What is prey?
An organism that is hunted by predators
Definition of a community
All the organisms in an ecosystem
What is a niche?
The role an organism plays within its community
What is intraspecific competition?
When organisms of the same species compete for all of the same resources.
What is interspecific competition?
What organisms of different species compete for some of the same resources
Which is more competitive interspecific competition or intraspecific competition?
Intraspecific competition as they competing for the same resources
What do animals compete for?
Food, Water, Shelter, Mates
What do plants compete for?
Light, Water, Space
What is the description of a niche?
Nutrients needed by the organism, Interactions with other organisms, Competition with other organisms, Helping the community, Environment it can tolerate
Define competition
Competition occurs when there is short supply of a limited resource
