2 Ta tudy how thermodynamics, excrest-eu--coecect or ee rece S. Organisms that c

Question

2 Ta tudy how thermodynamics, excrest-eu--coecect or ee rece S. Organisms that convert the Sun's energy to blomass are calted 6. Give three examples of the organism in W5 7. Define ecological footprint. a 8. Calculate the ecological footprint The average daily consumption of chicken is 2.5 pounds per day a. What is the amount in a year? b. The chicken yield about 12.5 pounds of meat. How many chickens eaten in a year? c. A chicken on the average eats about 2.5 pounds of corn a day. It takes about 2 acres of land to grow enough corn to feed a chicken for a year, what is the total acres need for food

Explanation / Answer

1. Three ecological principles are:

a. Wholeness: All organisms are connected with each other as a whole

b. Diversity: Ecosystems are diverse so that organisms can adapt to natural changes.

c. Interdependence: Ecosystems are mutually dependent on each other.

3. Ecologists use the following for studying how energy interactions move energy through the ecosystem:

a. Food chain:

b. Food web:

5. Organisms that convert sun's energy to biomass are called autotrophs.

6. Three examples of autotrophs are:

a. Plants

b. Algae

c. Bacteria

8. b. Number of chickens eaten in a year = Yearly consumption / Yield = 912.5 / 12.5 = 73 chickens

c. Land needed to feed 1 chicken = 2 acres

Land needed to feed 73 chickens = 146 acres

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