Study Guide U-Ecolog
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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| What affects the amount of precipitation in an area? | air circulation, evaporation, and mountain ranges
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| Aquatic ecosystems characteristics | -Have vertical stratification of chemical variable (different waters = different chemicals)
-Thermal stratification
-Responsible for rainfall and global temperature regulation
-Help with O2 production and CO2 consumption (photosyn. under water)
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| 6 Social Behaviors of Animals | 1. Cooperative- work as a team
2. Agnostic- strength and aggression
3. Dominance
4. Territoriality- defending an area
5. Courtship- "mating rituals"
6. Signals- cause change in another organisms behavior
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| 3 Survivorship Curves | 1. Type 1: favorable and top of the chain (many young, numerous middle, few old)
2. Type 2: relatively favorable, but org. may be a food source (constant decline)
3. Type 3: harsh (many young, few middle, very few old)
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| Why is competition a - - relationship? | One has food and the winner spends a lot of energy (comp. exclusion principle)
(3 choices)
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| Other organism relationships | 1. Predation ( + , -) Ex: horse gazing
2. Mutualism ( + , +) Ex: Bees/ flowers
3. Commensalism ( - , 0) Ex: Fish/ feet
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| The difference between primary and secondary succession | -Primary- starting from scratch (Hawaii from barren volcanic rock to tropical island)
-Secondary- starting at grass level
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| The flow of energy between trophic levels | -Primary producers: can perform photosynthesis
-Consumers: heterotrophs
-Decomposers: feed on dead organic material
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| Why do flowers grow towards light and what is it called? | Phototropism: The auxin travels down the "dark" side and stimulates those cells to elongate at a greater rate than the "light" side. Unequal growth causes the plant to bend, by growth toward the light for maximum exposure in the leaves.
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| Boom and bust cycle | -Shows the lag time for other species to adjust to change in species population #
-the 2 population lines chase each other bc direct relationship
-natural selection is promoted bc strongest will survive
-predator/prey relationships drive co-evolution
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Created by:
efaith09
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