| A | B |
|---|
| organisms | living things |
| cells | basic unit of life |
| nutrients | substances that provide energy and materials that organisms need to grow |
| metabolism | all the different processes that happen in an organism |
| stimulus | anything that causes a response or reaction in an organism |
| response | reaction to a stimulus |
| reproduction | all living things come from other living things in this process |
| adaptation | characteristic that allows an organism to survive and reproduce in its environment |
| structure | parts of an organism that perform a specific task |
| function | purpose or task |
| spiracles | small holes in sides of insect abdomens for breathing |
| organ | group of tissues that work together to perform a specific function |
| organ system | group of organs that work together to perform a certain task e.g. digestion |
| tissues | cells with a similar structure and function |
| organelles | specialized structures within a cell |
| nucleus | command centre; directs all cellular activities |
| mitochondria | powerhouse; glucose is converted into usable energy (CR) |
| cell membrane | controllable gateway; selectively permeable |
| vacuoles | storage rooms; nutrients, water etc. can be store. Plants have one large vacuole for water |
| cytoplasm | kitchen; contains the nutrients required by cell |
| cell wall | frame of the cell - only in plants |
| chloroplasts | solar panels of the plant cell; carry out PHS |
| mycoplasma | smallest known unicellular organism |
| multicellular | made up of more than one cell |
| diffusion | movement of particles from an area where there are more of them to an area where there are fewer |
| osmosis | diffusion of water particles through a selectively permeable membrane |
