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Cycles
Unit 2 Vocabulary
Term | Definition |
---|---|
Accumulation | The process of increasing in quantity, number, or amount |
Atmosphere | The whole mass of air surrounding the Earth |
Condensation | Gas changing to a liquid (example- water vapor into cloud) |
Evaporation | Liquid changing to a gas |
Groundwater | Water that collects in cracks and pores in underground soil and rock layers |
Precipitation | Any form of water falling from clouds (rain, snow, hail, sleet) |
Runoff | Water from precipitation that runs into a gully that flows into a stream, which in turn flows into a lake, reservoir, estuary or the ocean |
Transpiration | The process by which plants give off water vapor through the stomata (holes) in their leaves |
Carbon Dioxide-Oxygen Cycle | cycle by which plants take in CO2 and give off oxygen and animals take in oxygen and give off CO2 |
Carbon Dioxide | Atmospheric gas that animals release (give off) and plants take in during photosynthesis |
Oxygen | Atmospheric gas that plants release during photosynthesis and animals take in during respiration |
Photosynthesis | Process by which plants make their own food in the form of sugar and give off oxygen |
Respiration | what animals do when they take in oxygen and give off carbon dioxide |
Chrysalis | The hardened outer layer of a butterfly during the pupa stage |
Cocoon | An envelope usually of silk which the larva of some insects (moth) forms about itself and passes the pupa stage |
Complete Metamorphosis | 4 Stages-egg, larva, pupa, adult; each stage looks very different from others (butterfly) |
Incomplete Metamorphosis | Egg, Larva, Nymph, Adult- NO Pupa stage; Egg hatches into mini adult (example- cricket, grasshopper) |
Molting | To shed hair, fur, outer skin, shell or horns with the cast-off parts being replaced by a new growth |
Nymph | Stage of life cycle in organism that undergoes incomplete metamorphosis (mini-adult) |
Larva | 2nd stage of Complete Metamorphosis- example: caterpillar |
Pupa | 3rd stage of Complete Metamorphosis- example: butterfly inside a chrysalis |