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Characteristics of Life | Definitions
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Characteristics of Life | Definitions
Anabolic Reaction
Smaller molecules are joined together to form larger, more complex molecules. This process requires energy.
Asexual Reproduction
Consists of only one parent and the offspring are identical to the parent and to each other.
Autotrophic Nutrition
When an organism can make its own food.
Biodiversity
The variety of living things on our planet.
Catabolic Reaction
Larger molecules get broken down into smaller ones and energy gets released.
Continuity of Life
Life comes from pre-existing life.
Excretion
The removal of waste products of metabolism from the body.
Heterotrophic Nutrition
When an organism gets its food from another organism in a different trophic level of a food chain.
Life
The possession of all of the following characteristics: organisation, nutrition, excretion, response and reproduction.
Metabolism
The sum of all the chemical reactions in an organism.
Nutrition
The way in which an organism obtains and uses its food.
Organisation
Living things are composed of cells, tissues, organs and organ systems.
Organism
A living thing.
Reproduction
An organism's ability to make new individuals of its own kind and pass on genetic information to the next generation.
Response
An organism's ability to respond to a stimulus in its environment.
Sexual Reproduction
Involves two parents and the fusion of male and female gametes. The offspring all vary from each other and the parents.
Stimulus
A change in the environment.
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Anabolic Reaction
Smaller molecules are joined together to form larger, more complex molecules. This process requires energy.
Asexual Reproduction
Consists of only one parent and the offspring are identical to the parent and to each other.
Autotrophic Nutrition
When an organism can make its own food.
Biodiversity
The variety of living things on our planet.
Catabolic Reaction
Larger molecules get broken down into smaller ones and energy gets released.
Continuity of Life
Life comes from pre-existing life.
Excretion
The removal of waste products of metabolism from the body.
Heterotrophic Nutrition
When an organism gets its food from another organism in a different trophic level of a food chain.
Life
The possession of all of the following characteristics: organisation, nutrition, excretion, response and reproduction.
Metabolism
The sum of all the chemical reactions in an organism.
Nutrition
The way in which an organism obtains and uses its food.
Organisation
Living things are composed of cells, tissues, organs and organ systems.
Organism
A living thing.
Reproduction
An organism's ability to make new individuals of its own kind and pass on genetic information to the next generation.
Response
An organism's ability to respond to a stimulus in its environment.
Sexual Reproduction
Involves two parents and the fusion of male and female gametes. The offspring all vary from each other and the parents.
Stimulus
A change in the environment.