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Cell Study Guide
Chapter 8
27
Science
7th Grade
12/07/2010

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Term
Dichotomous Keys
Definition
A detailed list of identifying characteristics 
Term
Life Span
Definition
The length of time an organism lives
Term
Reproduce
Definition
to make more of an organism's own kind
Term
Cells
Definition
The smallest units that carry on life functions 
Term
Binomial Nomenclature 
Definition
The two-word name that is an organism's species 
Term
Homeostasis
Definition
The internal regulation of life-maintaining processes 
Term
Energy
Definition
What all living things use to find food
Term
Stimuli
Definition
Things that cause change 
Term
Hereditary Material
Definition
A virus contains this
Term
Central Vacuole
Definition
This is NOT found in an animal cell
Term
Chloroplast
Definition
Chlorophyll can be found in an organelle called ______.
Term
Organelles
Definition
The nucleus is the larges of the ________. 
Term
Food, Water, and a Place to Live
Definition
All organisms need ______ to survive. 
Term
Antibiotics, Antivirals and Prevention
Definition
What measures will help a viral infection?
Term
Viruses
Definition
Cold sores are caused by _____.
Term
Enzymes
Definition
Lysosomes are organelles that contain _______ to break down food and cell waste. 
Term
Lysosomes
Definition
These are NOT found in plant cells. 
Term
60-70
Definition
Humans are made up of ______ percent water. 
Term
Cell
Definition
The smallest unit of life. 
Term
Golgi Bodies
Definition
________ transport materials within a cell and between cells. 
Term
Food
Definition
Plants and some bacteria make their own _____. 
Term
Linnaeus 
Definition
A Swedish naturalist named _______ developed a system of classifying organisms. 
Term
Multi
Definition
Most plants and animals are _____-celled organisms. 
Term
Various
Definition
Cells have _____ structures and different functions. 
Term
Cytoplasm
Definition
Most of the life processes of a cell take place in the ______. 
Term
Heart
Definition
The ______ is an organ made up of nerve, blood, and muscle tissue. 
Term
Cells
Definition
Some _____ are organized into tissue, organs and organ systems. 
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