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Chapter 1 - What are cells, and what do they do?


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3.This is a type of tissue that included the body covering of an animal.
5.In order for a plant or animal to grow, the number of cells have to ___?
6.Particles move from one area where there are lot of particles, to an area where there are fewer of its own kind.
9.Requires energy to move into cells.
12.Thread like structure that contains data about the organism.
13.This is one of the functions of the nucleus.
14.Basic unit of structure of all living things.
17.Tiny structures inside of a cell. (All cells have these except bacteria.)
18.All of the activities of a cell require this.
19.Cells that work together to perform a specific function form a ___.
20.Organs that work together to perform a function form a ___.
1.Found in a plant cell and not in an animal cell. (green)
2.Energy-free movement in cells.
4.The __ supplies the energy to the cell.
7.Cells must work ____ to perform basic life processes to keep organisms alive.
8.Controls the cell's activities.
10.This is a type of nervous tissue.
11.This is a type of connective tissue.
15.The cell ___ holds the parts of the cell together and seperates it from its surroundings.
16.Cells get most of their water by this special process.
17.Tissues that work together for these

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