108564
Description
Mind Map by harry_bygraves, updated more than 1 year ago
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Created by harry_bygraves
almost 11 years ago
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Populations and Communities
- the living part of the earht is called a
bioshphere
- Biomes are the largest subunits of the bioshphere
- Each Biome is defined in terms of its living organisms and their interactions with their enviroment
- Each Biome is defined in terms of its living organisms and their interactions with their enviroment
- Biomes are the largest subunits of the bioshphere
- An ecosystem contains
a dynamic but
essentially
self-sustaining and
stable community of
organisms interacting
with each other and
their non-living
surroundings
- The place within an ecosystem in which an
individual organism lives is called a habitat
- The place within an ecosystem in which an
individual organism lives is called a habitat
- A population
is a group of
individuals of
the same
species that
live in a
particular area
at any one
time
- A
community
consists of a
group of
populations
of different
interacting
species
living in an
area at one
time
- An organisms total
surroundings,
including living,dead,
and non-living
components, make up
its enviroment
- Enviromental
factors that
result from the
activities of
living
organisms are
called biotic
factors
- Enviromental
factors that
result from the
activities of
living
organisms are
called biotic
factors
- A typical community has;
- Autotrophs which manufacture their
own food
- herbivores that eat autotrophs
- Secondary consumers that eat herbivores
- tertiary consumers that eat secondary consumers
- Decomposers that obtain nutrients by
breaking down remains of dead organisims
- Decomposers that obtain nutrients by
breaking down remains of dead organisims
- tertiary consumers that eat secondary consumers
- Secondary consumers that eat herbivores
- herbivores that eat autotrophs
- Autotrophs which manufacture their
own food
- Abiotic factors include
- Climatic factors; light, temp.,wind
- Edaphic factors; associated with soil such as; texture,pH, organic content
- Topographic factors;
angles and aspect of a
slope
- Climatic factors; light, temp.,wind
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