MRS GREN Flashcards
key facts about NUTRITION
all organisms need nutrients
some can make their own (plants) others feed in other organisms (animals eat plants)
what is growth and development?
growing is increasing in size. Developing is more complex (a fertilised egg grows and develops to become an adult animal)
what is respiration?
the release of energy from nutrients - it happens in every cell
what is excretion?
removal of waste chemicals made inside the body (breathing out CO2)
what is reproduction?
making new individuals of the same species, producing offspring
what is movement?
only living organisms can move their bodies of parts of their bodies.
what is sensitivity?
living organisms can sense changes in their atmosphere and surroundings and react to those changes.
what is controlling internal conditions?
animals can control their heart rate, body temperature and blood glucose levels.
