Cells

2. A unicellular organism that constantly changes its body shape as it moves and takes in food.
4. Chromosomes are made of _______.
7. ________ are organelles that help the plant make food for itself.
9. All cells contain _______, particles that manufacture protein and help cells grow.
11. _______ are genetic structures that contain the information used to direct cell activity.
13. The cell membrane lets _______ in and keeps waste out.
15. ________ are organisms that make their own food, like plants.
18. The power plants of the animal cell.
20. Having or consisting of a single cell.
25. The _______ encloses the cell and acts like a screen to allow some materials to pass through it but not others.
26. __________ help package materials from the endoplasmic reticulum and distribute them around the cell or outside of it.
27. The diffusion of water through a cell membrane is called _________.
30. The chemical reaction in the body’s cell that turns food into energy.

1. The _______ serves as an internal delivery system for cell transporting materials the cell needs.
3. When the nucleus divides to form two new cells.
5. A botanist who believed all plants were made of cells.
6. _______ are any systems working together.
8. A single living plant, animal, bacterium, or virus.
10. ________ are organisms that cannot make their own food like humans.
12. Different types of tissues that work together to do a particular job.
14. The substance found in all living animals and plant cells that is necessary for all life to exist.
16. A group of organs working together to do a certain job.
17. Supplies the cell with water.
19. Chloroplasts contain a green pigment called ________.
21. The central part of a cell.
22. The _______ is the gel-like fluid made of mostly water that takes up most of the space inside the cell.
23. Groups of similar cells that do the same sort of work.
24. The _________ in a plant cell provides extra support and structure for the cell that plant cells need.
28. A zoologist who believed animals were made of cells.
29. All organisms are made up of one or more _______.