The 5.1 of the Syllabus Coveres:
Describe the meanings of terms used in
ecology
(a) a species as a group of organisms that can
reproduce to produce fertile offspring
(b) a population as a group of organisms of one
species, living in the same area, at the same
time
(c) a community as all of the populations of
different species in an area
(d) a habitat as the area where an organism lives
and interacts with its environment and other
organisms
(e) an environment as the external surroundings
of an organism or population, including biotic
(living) and abiotic (non-living) components
(f) an ecosystem as a unit containing the
community of organisms and their
environment, interacting together, e.g. a rocky
shore or a coral reef
2 identify and explain the factors that affect the
rate of population growth for a population of a
named organism
limited to:
(a) food supply
(b) disease
(c) competition
(d) predation
Video on Biotic and abiotic factors.
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