638867
Description
Mind Map by dramaqueen72, updated more than 1 year ago
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Created by dramaqueen72
over 10 years ago
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B1.5 - Energy and Biomass in food chains
- Radiation from the sun is an energy source for all living organisms
- Photosynthesis
- In green plants and algae, photosynthesis captures a fraction of the energy that
reaches them.
- This energy is stored in the cell of the plant.
- The energy is passed onto the organism that eats the plant
- The energy is passed onto the organism that eats the plant
- This energy is stored in the cell of the plant.
- In green plants and algae, photosynthesis captures a fraction of the energy that
reaches them.
- Energy Loss
- Energy is lost at each stage
of the food chain due to:
- Faeces
- Energy released by respiration is used up in movement as heat energy
- Energy released by respiration is used up in movement as heat energy
- Faeces
- Energy is lost at each stage
of the food chain due to:
- Pyramids of Biomass
- Biomass: The mass of living material
- Biomass: The mass of living material
- Tertiary Consumer
- Only gets a small fraction of the energy left because
some energy is caught by the sun by producers, most
biomass stays in the roots, only a tenth of the energy is
passed on due to running, mating, excreting and
generating heat & they only recieve a bit of the energy
from the bottom of the pyramid
- Only gets a small fraction of the energy left because
some energy is caught by the sun by producers, most
biomass stays in the roots, only a tenth of the energy is
passed on due to running, mating, excreting and
generating heat & they only recieve a bit of the energy
from the bottom of the pyramid
- Producer
- Provides food for primary consumer who passes on the energy to the secondary consumer who passes on the energy to the tertiary consumer
- Provides food for primary consumer who passes on the energy to the secondary consumer who passes on the energy to the tertiary consumer
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