Biology Revison mind map
- Created by: Nadiasantoss
- Created on: 03-04-16 15:26
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- Biology
- B2a
- Cell organisation
- LARGE MULTICELLULAR ORGANISMS are made up of ORGAN SYSTEMS
- Plant structure and Photosynthesis
- PLANT CELLS are organised into TISSUES and ORGANS
- Plants are made of organs as:
- STEMS
- ROOTS
- LEAVES
- Leaves are made of:
- MYSOPHYLL TISSUE
- XYLEM AND PHLOEM
- EPIDERMAL TISSUE
- Leaves are made of:
- Plants are made of organs as:
- photosynthesis
- EQUATION
- CARBON DIOXIDE + WATER --> GLUCOSE + OXYGEN
- Produces GLUCOSE using SUNLIGHT
- Happens inside the CHLOROPLASTS
- Chloroplasts cointain green substance calles CHLOROPHYLL
- Which absorbs SUNLIGHT and uses its energy to convert CARBON DIOXIDE (from the air) and WATER ( from the soil) into GLUCOSE,
- Chloroplasts cointain green substance calles CHLOROPHYLL
- Happens in the leaves of all GREEN PLANTS
- Rate of photosynthesis
- Limiting factors at a particular time depends on the environmental conditions:
- NIGHT - The LIGHT is a limiting factor
- WINTER - Often the TEMPERATURE
- Not enough Light slows the rate of reaction
- Too little CARBON DIOXIDE also slows down the rate of reaction
- Limiting factors at a particular time depends on the environmental conditions:
- EQUATION
- PLANT CELLS are organised into TISSUES and ORGANS
- How plants use glucose
- For RESPIRATION
- 1) Plants manufacture GLUCOSE in their LEAVES
- 2) They then use some of the glucose for RESPIRATION
- 3) This releases energy which enables them to CONVERT the rest of the glucose into various OTHER USEFUL SUBSTANCES , which they can use to BUILD NEW CELLS and Grow.
- 4) To produce some of these substances they also need to GATHER a few MINERALS from the soil.
- Making CELL WALLS
- GLUCOSE is converted into CELLULOSE for making strong CELL WALLS , especially in a rapidly growing plant
- Making PROTEINS
- Stored in SEEDS
- Stored in as STARCHED
- For RESPIRATION
- Cell organisation
- B2a
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