Unit Eight: Ecosystem Ecology- module a

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What is required of highly complex organization

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1

What is required of highly complex organization

constant input of energy and exchange of macromolecules

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2

What is the Endothermic strategy

use of thermal energy generated by metabolism

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3

What is the Ectothermic strategy

moving into sun/shade or aggregating with others

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4

What is the relationship between metabolic rate and unit body mass

Smaller unit body mass higher metabolic rate

Larger unit body mass lower metabolic rate

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5

What results from a net gain in energy

Energy storage or growth of organism

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6

What results from a net loss of energy

Loss of mass and death

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7

How does energy and population size connect

Changes in energy result in changes in population size

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8

How can size and number of trophies levels be effected

Change in energy resources or change in producer level

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9

Where do photosynthetic organism source energy

Sunlight

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10

Where do chemosynthetic organism source energy

Small inorganic molecules present in the enviroment

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11

Where do heterotrophs source energy

Metabolized carbohydrates, lipids, and protein

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12

How do invasive species effect ecosystems

Can exploit niches and disrupt energy flow

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13

How does resource availability effect ecosystems

Can result in uncontrollable population growth or decline and environmental changes

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14

How does human expansion effect natural ecosystems

Exposer to diseases destroyed native species, habit change ensues

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15

What effects habitat change

Geological, and meteorological events

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