| A | B |
|---|
| chlorophyll | green coloring matter in plants |
| cell wall | a thick wall found on the outside of the cell membrane in plant cells |
| chloroplasts | little bundles of chlorophyll which are not found in animal cells |
| nucleus | round body inside the cell which controls the cell's activities |
| chromosomes | threadlike structures found in the nucleus |
| genes | tiny units located on chromosomes that control most of the cell's activities |
| cytoplasm | jellylike material that surrounds the nucleus |
| cytoplasm's responsibility | 1. carry out activities that keep the cell alive 2.release energy for cell activities 3. destroy disease causing substances that get into the cell 4. provide pathways for the movement of materials within the cell |
| vacuoles | structures found in cytoplasm that contain stored food for the cell and hold waste materials |
| cell membrane | surronds animal cells and it helps to control the movement of materials into and out of the cell, and acts somewhat like a fence and a house, and nothing can enter or leave the cell without going through this structure |
| structures found in plant cells | nucleus, cytoplasm, cell membrane, cell wall, chloroplasts, and vacuoles |
| sructures found in animal cells | nucleus, cytoplasm, cell membrane, vacuoles |
| Phases of mitosis | prophase, metaphase, anaphase, telophase |
| stimulus | a change in the environment that affects an organism |
| response | a change in the behavior of an organism as a result of a stimulus |
| adaptation | the way that the features of a living thing allow it to live successfully in its environment |
| cells | the building blocks of all living things |
| organism | a living thing |
| viruses | things that are neither living nor nonliving, nor are they made of cells, and they can produce more of their own kind |
| Robert Hooke | an Englishman who improved the microscope |
| Anton van Leeuwenhoek | a Dutch man that invented one of the first microscopes |
