AQA B1
- Created by: gracegrace111
- Created on: 23-06-16 17:22
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- B1
- control
- reflexes
- fast and automatic
- protection
- fast and automatic
- brain
- processes signals from sense organs
- makes decisions
- processes signals from sense organs
- keeps things steady
- temperature
- ion content
- blood glucose
- hormones
- co-ordinate long term changes
- the menstrual cycle
- co-ordinate long term changes
- drugs
- medicinal drugs
- tested in double blind trials
- recreational drugs
- harmful / addictive
- affects brain
- medicinal drugs
- reflexes
- energy and recources
- carbon cycle
- photosynthesis traps carbon in biomass
- food chains transfer it to animals
- respiration and decay transfer it to the air
- food chains transfer it to animals
- photosynthesis traps carbon in biomass
- changing environments
- make survival harder
- organisms must adapt or move away
- make survival harder
- elements
- recycled
- decomposers
- bacteria + fungi
- detritivores
- e.g- worms
- decomposers
- recycled
- energy
- flows along the food chain
- each organism loses energy as heat and waste
- flows along the food chain
- indicator species
- highlight pollution
- sulfur dioxide
- lichen distribution
- dissolved oxygen
- invertebrate distribution
- sulfur dioxide
- highlight pollution
- carbon cycle
- variation
- asexual reproduction
- adult cell cloning
- tissue culture
- embryo splitting
- genetic engineering
- transfers new genes to organisms
- make embryos develop the characteristics the genes code for
- makes GM crops
- higher yields, more nutrients
- provokes concerns about health and the environment
- transfers new genes to organisms
- Darwin's theory of evolutions
- not accepted at first
- little evidence, no mechanism, conflicted with biblical accounts
- not accepted at first
- genetics
- variation increased by sexual reproduction
- environment
- similarities and differences used for classification
- asexual reproduction
- health
- if infected...
- painkillers relieve symptoms
- white blood cells
- engulf pathogens
- make anitbodies
- make antitoxins
- antibiotics may kill bacteria
- bacteria may become resistant
- requires
- balanced diet
- right nutrients
- enough energy
- regular exercise
- balanced diet
- vaccines
- prepare white blood cells to make antibodies
- provide immunity
- prepare white blood cells to make antibodies
- if infected...
- control
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