1. Cells-The Units of Life

2.  Smallest organisms on Earth  Made up of only one cell  Sentence:  Bacteria are 1 celled organisms.

4.  Flexible structure that holds a cell together  Boundary between cell & its environment  Helps control what enters & exits the cell  “gate keeper” of cell

5.  Sentence:  A cell’s membrane is its “gatekeeper”

6.  Found in structure of plants, algae, fungi, & many bacteria types  Supports & protects cell membrane  Sentence:  Plants have a rigid cell wall.

8.  Gelatin like substance inside cell membrane  Contains water, chemicals, and cell parts (organelles)  Where cell’s activities take place

10.  Specialized cell parts that move around in a cell  Perform jobs necessary for cell to live

12.  Cell organelle that contains hereditary material (DNA in chromosomes)  Directs most of cell’s activities  “cell boss”

14.  Balloon like cell organelle  Can store food, water, & other substances  “cell closet”

16.  Provides usable energy for the cell  Where process of cellular respiration takes place  “cell powerhouse”

18.  Process plants, algae, and many bacteria use to make food

20.  Green organelle in a plant’s leaf  Where photosynthesis occurs  “cell kitchen”

22.  Groups of similar cells that all do the same work

23.  Structure made of 2 or more types of different tissue  Work together to do a certain job

25.  Group of organs that work together to perform a certain job