Topic 10.1.1 - Ecosystems Flashcards
Definition of a habitat.
The area or natural environment in which an organism or population normally lives.
Definition of an ecosystem.
a biological community of organisms which interact with each other and their physical environment.
Definition of a community.
all the organisms present in an ecosystem at a given time.
Definition of a population.
a group of individuals of the same species that occupy the same habitat at the same time.
Definition of a niche.
a term for the position of a species within an ecosystem.
Definition of a biome.
a specific environment that’s home to living things suited for that place and climate.
Definition of biodiversity.
the number and variety of living organisms in the living world.
Examples of abiotic factors.
Air
water
light
wind
soil
pH
Examples of biotic factors.
Competition
Predation
Disease agents
Symbiosis
What are climatic abiotic factors?
Factors include, Humidity, sunlight and factors involving the climate.
What are edaphic abiotic factors?
soil conditions, so edaphic abiotic factors include soil and geography of the land.
What are topographic abiotic factors?
Physical features of an area including height, direction of slope and steepness of slope.
