Ecosystem and Factors Flashcards
what is an ecosystem
all the living organisms and non-living components in an area
what is a community
the population of living organisms in an area
what is a population
all the organisms of the same species in an area
what is an organism
a single-living individual
what is distribution
how widely spread organisms are
what are the 2 types of factors that affect the distribution
environmental factors
and
non-living factors
what are 2 living factors
prey
competitor
predator
what are 5 non-living factors
- light
- average temperature
- average rainfall
- oxygen levels in water
- pollution
what is a pollutant
a chemical substance that has harmful effects to living organisms
what are biotic factors
factors that are living organisms
what are some methods animals have evolved to deter predators
- have brought colours to advertise poison
- pattern to look frightening - eyes
- thorns
what recources do plants compete for
light and nutrients
What recources do animals fight for
food, mates, territory
what is interdependence
when an organism depends on another organism
what are the 2 sectors of interdependence
parasitism
mutualism
