Definition of an Ecosystem | All the organisms and the environment in which they live form an ecosystem |
Definition of a Population | Groups of the same species of animals’ form populations within the ecosystem |
Definition of a Community | All the populations of organisms that live and interact in an ecosystem form a community |
What are abiotic factors? | Physical, non-living factors that affect distribution of an organism |
What are biotic factors? | Living organisms affecting other populations in the ecosystem |
Structural Adaptation | Feature of an organism |
Behavioural Adaptation | Action the organism does |
Functional Adaptation | Process the organism does |
Definition of Interdependence | All of the different species in a community depend on each other |
What do plants compete for? | Light, space, water and mineral ions |
What do animals compete for? | Food, water, mates and territory |
What's a stable community? | When the population of a species remains fairly constant in a community. The populations of organisms are in balance with each other and with the abiotic resources |
Biotic factors are: | Competition between species, availability of food, new predators and new pathogens |
Abiotic factors are: | Temperature, light intensity, soil pH and mineral content, water, wind intensity and direction, carbon dioxide and oxygen for aquatic organisms |