4483613
Beschreibung
Mindmap von Jack Willepotte, aktualisiert more than 1 year ago
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Erstellt von Jack Willepotte
vor fast 9 Jahre
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Energy(biomass)
in food chains
- Radiation from the sun is the
source of energy for most
communities of organisms
- green plants absorb small amounts of light
energy and convert it to chemical energy
during photosynthesis.
- Biomass at each stage can be drawn
to scale in a pyramid of biomass
- Biomass typically reduces at each stage in
a food chain
- materials + energy lost
in organisms' waste
materials
- energy transferred to
surroundings for
example through
movement
- DECAY PROCESS
- living things remove materials from there
environment whilst they live for example
to have energy for growth and movement
- These materials are returned to the
environment through waste or
deacay(once dead)
- Decay is due to dead animal being broken
down and digested by microorganisms rate
of decay increases with temperature,
moisture levels and AEROBIC CONDITIONS
- The decay process releases
substances plants need to grow
- a stable community is where the processes that
remove materials are balanced by processes which
return them, materials are constantly cycled
- a stable community is where the processes that
remove materials are balanced by processes which
return them, materials are constantly cycled
- The decay process releases
substances plants need to grow
- Decay is due to dead animal being broken
down and digested by microorganisms rate
of decay increases with temperature,
moisture levels and AEROBIC CONDITIONS
- These materials are returned to the
environment through waste or
deacay(once dead)
- living things remove materials from there
environment whilst they live for example
to have energy for growth and movement
- materials + energy lost
in organisms' waste
materials
- Biomass typically reduces at each stage in
a food chain
- Biomass at each stage can be drawn
to scale in a pyramid of biomass
- green plants absorb small amounts of light
energy and convert it to chemical energy
during photosynthesis.
- "total mass of organisms
in a given space"
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