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Biology Notes (Paper 1) (Variety of life (Characteristics of living…
Biology Notes (Paper 1)
Human uses on the enviroment
Respiration
The Eye
Breathing
Variety of life
Characteristics of living organisms
Responding- Organisms react to changes in their surroundings
Movement- Animals move towards things like food and water and move away from predators
Excretion- waste protects like CO2 and urine which need to be removed otherwise it will die.
Control- Internal conditions are controlled e.g. temperature
Respiration- Organisms release energy from their food through respiration
Reproduction- all organisms produce offspring
Nutrition- All living organisms need nutrients in order to get energy, and get materials for growth and repair
Grow and Develop- all organisms have to grow and develop into their adult form
Types of lifeforms
Animals
Fungi
Some are single celled
Some have a body called a mycelium made up of hyphae
Cell walls make of chitin
Plants
Circulation
Hormones
Photosynthisis
Designing investigations