THANKS SO MUCH DUDDY! I have a huge test this weekend and fell behind this week.
Sorry to ask for more but do you know any of the following?
Which of the following illustrates the correct ordering of trophic levels?
A. Herbivores > autotrophs > carnivores > decomposers
B. Autotrophs > carnivores > herbivores > decomposers
C. Primary producers > Primary Consumers > Secondary Consumers
D. Decomposers > carnivores > autotrophs > herbivores
Within an ecosystem:
A. Energy and nutrients flow in one direction only.
B. Energy flows in one direction only and nutrients are recycled.
C. Energy is recycled and nutrients flow in one direction only.
D. Energy and nutrients are both recycled.
Andsi is studying the agricultural options for his patch of land in a country that is overpopulated. Which of the following would be most ecologically efficient in terms of delivering the most calories per capita, assuming his land could support any of these uses?
A. Cattle farming.
B. Rice farming.
C. Milk production.
D. Chicken farming.
E. Fish farming.
If you are studying an ecosystem containing sea otters that feed on sea urchins, and you find that the biomass of each was the same, what would this suggest?
A. Inverted pyramid of numbers.
B. The otters likely have another food source.
C. Urchins have another food source.
D. Other species are preying on the urchins.
E. Very high efficiency of energy transfer.
Thanks again.
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