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