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Chapter 16 Section 1
The Characteristics of living things
7
Science
7th Grade
01/15/2009

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Term
Cell
Definition

The smallest unit that can perform all life processes; cells are covered by a membrane and have DNA and cytoplasm.

 
Term
Stimulus
Definition

Anything that causes a reaction or change in an organism or any part of an organism.

Term
Homeostasis
Definition
The maintenance of a constant internal state in a changing environment.
Term
Sexual Reproduction
Definition

Two parents produce offspring that will share characteristics of both parents.

Term
Asexual reproduction
Definition
A single parent produces offspring that are identical to the parent
Term
Heredity
Definition

The passing of genetic traits from parent to offspring.

Term
Metabolism
Definition

The sum of all chemical processes that occur in an organism.

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