List and explain the six steps in the hydrological cycle.
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1. Evaporation occurs as the sun causes freshwater to evaporate from seawater.
2. Vaporized freshwater rises into the atmosphere that condenses and falls as precipitation over the oceans and land.
3. Water also evaporates from land, and transpiration is the evaporation of water from plants.
4. Gravity causes the water to eventually return to the sea.
5. Runoff from higher elevations will eventually make its way downhill towards the ocean. As it travels, it will collect various pollutants, nutrients, and sediment load.
6. Groundwater can be stored in underground aquifers that can release it into wells and springs.
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Which of the following is thought to be adaptive predatory behavior? Select all correct
A. cephalization B. jaws C. teeth D. tongue
The olfactory receptors discovered by Richard Axel and Linda Buck are members of a large family of similar receptor molecules termed
A. G-protein coupled receptors. B. ligand-gated ion channels. C. voltage-gated ion channels. D. intracellular receptors. E. serine/threonine proteases.
The citric acid cycle occurs in the __________ of cells and is an __________ process.
a. cytosol? aerobic b. mitochondria? aerobic c. mitochondria? anaerobic d. cytosol? anaerobic
Large organic molecules are formed by what type of reaction?
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