Flashcards
The characteristics of life
Cards in this deck (13)
- 1MetabolismThe sum of all the chemical reactions in an organism.
- 2What chemicals control metabolic reactions?Enzymes
- 3High metabolismFast-acting e.g. mice and rabbits
- 4Low metabolic rateSlow-acting e.g. koalas
- 5Living things can arise from non-living matter - AristotleSpontaneous generation e.g. maggots on rotting meat and frogs from dried mud
- 6Continuity of lifeLiving things arise from other living things of the same type. This is also called biogenisis.
- 7LifeThe possession of all five of the characteristics of life - Sensitivity, nutrition, organisation, reproduction, excretion
SNORE - 8OrganisationLiving things are composed of cells, tissues, organs, and organ systems.
- 9Levels of organisationCell, tissue, organ, organ system, organism, population
e.g. cheek cell, lining of cheek, stomach, digestive system, individual human, all the people in an area - 10NutritionThe way in which an organism obtains and uses food
- 11ExcretionThe removal of waste products of metabolism from the body
- 12Response/sensitivityThe way in which organisms react to stimuli in their environment e.g. light
- 13ReproductionThe production of new individuals to prevent the extinction of the species.
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- Leaving Certificate Biology (The Characteristics Of Life) Flashcards on The characteristics of life, created by eimearkelly3 on 20/06/2013.
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