The Characteristics Of Life Flashcards
What is an organism?
An organism is a living thing
What is metabolism?
Metabolism is the sum of all the chemical reactions in an organism
Define life.
Life is defined as the possession of all the following characteristics: organised, requiring nutrition and excretion, capable of responding and reproducing
Define organisation.
Organisation means that living things are composed of cells, tissues, organs and organ system
Define nutrition.
The way organisms obtain and use food
Define excretion.
Excretion is the removal of waste products of metabolism
Define response.
Response is the way in which all living things react to changes in their environment
Define reproduction.
Reproduction is the production of new individuals
Define sexual reproduction.
Sexual reproduction involves the union of sex cells
Define asexual reproduction.
Asexual reproduction does not involve the union of sex cells
Define continuity of life
It means that living things arise from other living things of the same type.
