Final Exam
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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| Ecosystems | Are all living things, matter, and energy
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| Photosynthesis | Is how all energy enters an ecosystem
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| The Sun is the source of energy for an ecosystem | What is the source of energy in an ecosystem
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| The plants get food from the sun by photosynthesis then a herbivore eats the plants | How does this energy enter the ecosystem
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| Producers | are plants that make their own food
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| Consumers | are animals or things that get their energy from eating plants or animals
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| Autotroph | Are Producers
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| Heterotroph | are consumers
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| Detrivore | eats dead plant and animal matter
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| -10% of the available energy is passed onto the next tropic level. -The other 90% goes to: Growth, Maintenance, movement and heat | Energy in an ecosystem
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| Productivity | the amount of biomass produced per unit area in one year
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| Biomagnification | The amount of DDT moving from producers to primary consumers to secondary consumers, and so on.
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| Biotic | living things
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| Abiotic | non-living things
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| Primary Succession | Takes place in an area with no previous living organism
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| Secondary Succession | Takes place in an ecosystem after a disturbance to the previous climax community
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| Succession | The gradual change in populations of organisms in an ecosystems leading to a climax community
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| Catalyst | increases rate of reaction without actually taking part in the reaction
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| inhibitor | slows down reaction rate
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| Indicators | help identify acids and bases
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| Wind | -caused by uneven heating of the earth
-warm air rises. Cool air comes into takes its place
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| Coriolis Effect | -Wind is curved because the earth is rotating
-Curves to right in the northern hemisphere (opposite in the southern hemisphere)
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| Cold Front | is when a moving cold air mass overtakes a warmer air masses
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| Stationary Front | when cold air mass and a warm air mass are in contact but neither is moving
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| occuded front | cold front catches up with a slower moving warm front. The cold pushes all warm air up, away from the ground.
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| Pyramid of Biomass | Shows that Biomass decreases from each trophic level to the one above
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| Pyramid of Energy | Measures the total chemical energy the flows through each tropic level
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| Level of Consumers | Primary, secondary and tertiary
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| Population | All organisms of the same species, living in the same ecosystem, at the same time
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| Community | All living organisms,in the same ecosystem at the same time
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| 4 main factors that effect population size | Death, birth, moving in, and moving out
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| Intraspecific competition | competition among members of the same species
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| Interspecific competition | competition between two different species
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| density-dependant factors | factors that increases in significance as a population grows
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| density-independant | a natural disaster that will affect everything
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