| A | B |
|---|
| cell membrane | controls the substances that enter or exit a cell |
| cell wall | a rigid (stiff) structure that surrounds, protects and gives the plant cell shape |
| chloroplasts | the organelle in a plant cell the converts sunlight into energy through photosynthesis |
| nucleus | the control center of the cell that stores the chromosomes |
| animal cells | have a more rounded shape |
| plant cells | have a more rectangular shape |
| photosynthesis | the process in which plants take in carbon dioxide, water, and sunlight to make their own food |
| metamorphosis | the change of a tadpole into a frog |
| tissues | are formed by groups of similar cells that work together to perform a specific function |
| organs | structures made up of different tissues which work together to perform a specific task |
| organ systems | a group of organs that have a common function |
| organism | an animal, a plant, bacteria, or fungus are all organisms |
| communicable diseases | spread from person to person |
| food chain | shows the flow of energy in an ecosystem |
| producer | organisms that can make their own food |
| consumers | organisms that depend on other organisms for food |
| decomposers | break down dead plants or animals |
| omnivores | eat both plants and animals |
| herbivores | eat only plants |
| carnivores | eat other animals |
