Homework Answers
D. Energy
Every ecosystem needs a constant supply of energy .
Energy passed from one trophic level to another and in each level some energy lost as heat .
Main source of energy is sun .
It is considered as one way flow because energy passes from one trophic level to another in an unidirectionally pattern it cannot be reused or recycled . Water and elements such as carbon and nitrogen can be return in cycle but energy cannot .
Energy flow is important for maintaining ecological balance .
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Please answer 1-5
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?Which of the following is a labor resource :Select one .a o silicon (sand) used to make computer chips .bo a computer programmer .co. software used by a firm . do a computer LRIVLAAIVL ECON - 141 In a market system, the distribution of goods and services among consumers is largely determined by Select one .a. whoever needs the goods and services the most .b. the willingness and ability of consumers to pay the prices .c. a random factor that...
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