Life On Earth Flashcards
Definition of biodiversity
The variety of organisms living in the ecosystem
Definition of habitat
The place where the organism lives
Definition of species
A group of organisms that can interbreed to produce fertile offspring
Definition of population
All the organism of one type living in the habitat
Definition of community
All the living organisms in the ecosystem
Definition of produces
Photosynthesise to produce food
Definition of consumers
Obtain there energy by eating other organisms
Definition of herbivores
Only eat plant material
Definition of omnivore
Eat both plant and animal material
Definition of carnivores
Only eat animal material
Definition of prey
Animals that are eaten by a predator
Definition of predator
Animals that hunt and kill other animals
What do the arrows represent in a food chain/web?
Energy
Definition of niche
The role an organism plays within a community
When does competition occur
When resources are in short supply
Definition of interspecific competition.
Competition between members of different species for one or a few resources
Definition of intraspecific competition
Competition between individuals of the same species. It’s more intense because they are competing for all the same resources
What is abiotic
Non-living
What is biotic
Living
Examples of biotic factors
Predation
Grazing
Disease
Food availability
Examples of abiotic factors
pH
Temperature
Light intensity
