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8D Unicellular org
Key words
| Term | Definition |
|---|---|
| Animal | Organisms that are multicellular without cell walls |
| Bacteria | Organisms with a cell wall but no nucleus (prokaryotes) |
| Fungi | Organisms with a cell wall of chitin and a nucleus |
| Plants | Organisms with a cell wall of cellulose and a nucleus |
| Cell | The basic unit of all life |
| Kingdom | The five groups of life (plants/animals/fungi/protoctists/prokaryotes) |
| Microorganism | An organism too small to be seen with the naked eye |
| Multicellular | An organism made of many cells |
| Prokaryote | See Bacteria |
| Protoctist | Organisms that do not fit into the other kingdoms |
| Unicellular | An organism made of one cell |
| Virus | A non-living particle that can control the function of a living cell |
| Aerobic respiration | Glucose + oxygen --> energy + water + carbon dioxide |
| Anaerobic respiration | Glucose --> energy + (lactic acid, ethanol, other) |
| Asexual reproduction | Producing new organisms from one parent only |
| Budding | A type of asexual reproduction in which a new small cell (bud) grows out from a parent cell |
| Fermentation | Anaerobic respiration occurring in microorganisms |
| Limiting factor | Something that stop a population growing |
| Population | The total number of a specific species in an environment |
| Binary fission | When a cell splits in two |
| Chromosome | A long molecule that contains instructions for organisms and their cells |
| Enzyme | A substance that can speed up some processes in living things |
| Flagella | A tail-like structure that rotes, allowing a unicellular organism to move |
| Chlorophyll | The green substance found inside chloroplasts |
| Cilia | Small hair-like structures on the surface of some cells |
| Food chain | A way of showing what eats what in a habitat |
| Organic molecule | A molecule that is built using a chain of carbon atoms |
| Photosynthesis | Light energy + water + carbon dioxide --> glucose + oxygen |
| Producer | An organism that produces its own food |
| Pseudopod | A cell extension that can extend and contract and make a cell move |
| Pyramid of numbers | A way of showing the food chain by using numbers in a trophic level |
| Trophic level | The position in a food chain. Producers are 1, primary consumers are 2. |
| Vacuole | The storage space in cells |
| Carbohydrate | A nutrient that is used for energy containing carbon, hydrogen and oxygen |
| Carbon cycle | A model used to show how carbon compounds are recycled in an ecosystem |
| Decay | The breakdown of dead organisms or animal wastes which allows the substances they contain to be recycled |
| Decomposer | An organism that feeds on dead organisms or animal wastes, causing them to decay |
| Ecosystem | All the physical and environmental factors where an organism lives |
| Fat | A nutrient that is used for energy storage and as a thermal insulator |
| Protein | A nutrient used for growth and repair |
Created by:
andrewweng0406
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