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Chapter 1.4
The unity of life: All forms of life have common features
12
Biology
9th Grade
09/11/2011

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Term
DNA
Definition
All cell have DNA adn the continuity of life is based on this genetic material.
Term
Genes
Definition
DNA is the substance of genes, the units of inheritance that transmit information from parents to offsprings.
Term
DNA Molecules are made up of
Definition

Two long chains coiled together called a double helix.

The chaines are made up of four kind of chemical building blocks.

Term
Bases
Definition
The four kinds of chemical building blocks.
Term
List properties common to all organisms.
Definition
1. Order 2. Regulation 3. Growth and development 4.Energy processing 5. Response to the environment 6. Reproduction 7. Evolitionary adaptation
Term
Order
Definition
All living things exhibit complex organization.
Term
Regulation
Definition
The environment outside an organism may change markedly, but mechanisms maintain an ogranism's internal environment within limits that sustain life.
Term
Growth and development
Definition
Inherited information carried by genes control the pattern of growth and development of organisms.
Term
Energy Processing
Definition
Organisms take in energy and transform it to perform all of life's activities.
Term
Response to the environment
Definition
All organism respond to environmental stimuli.
Term
Reproduction
Definition
Organism reproduce their own kind.
Term
Evolutionary adaptation
Definition
Best adaptations evolve over many generation.
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