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8D Unicellular org

Key words

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