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Sci-Cells and Living Things
Science - Cells and Living Things
23
Science
7th Grade
11/29/2009

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Term
A group of tissues working together to perform a function in a living thing
Definition
organ
Term
An outside covering that all PLANT CELLS have that is not found in animal cells
Definition
cell wall
Term
The control center of a cell in any living thing.
Definition
nucleus
Term
The basic unit of structure in a living thing (function)
Definition
cell
Term
A thin covering that the cells in all living things have. Determines what enters and leaves.
Definition
cell membranes
Term
Is a part of the cell that puts together proteins which the cell uses for growth control and repair
Definition
ribosomes
Term
a group of specialized cells working together to perform a function in a many celled organisms
Definition
tissue
Term
An organelle found in plant cells that is important in making glucose.
Definition
chloroplast
Term
Powerhouse of the cell. Makes the energy and the food usable for the cell.
Definition
mytochondria
Term
Living material between the cell membranes and the nucleus
Definition
cytoplasm
Term
A set of 3 statements that sums up the relationship between cells and living things.
Definition
Cell Theory
Term
A part of the cell that floats in the cytoplasm and carries out all life processes
Definition
organelle
Term
The compound in a chloroplast that traps energy and gives the chloroplast its green color
Definition
chlorophyll
Term
What is the the name given to a group of specialized cells that are organized to perform a certain function
Definition
tissues
Term
What are tissues that work together to perform special functions called?
Definition
organs
Term
What system is made up of the heart, blood and blood vessels?
Definition
The circulatory system
Term
What are the five main levels of organization in a many celled organism
Definition
cell, tissues, organ, organ system, organism
Term
What is the highest level of cellular organization?
Definition
organism
Term
What are the 3 parts of cell theory?
Definition
All living things are made up of one or molecules.
Cells are the basic unit of function and structure in all living things.
All cells come from only other living cells.
Term
carries material through cell
Definition
endoplasmic reticulum
Term
stores materials needed for life
Definition
golgi bodies
Term
breaks down and removes waste of the cell
Definition
lysosomes
Term
fluid filled sacs that store water and food materials
Definition
vacuoles
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