Question

22 minutes remaining 21 of 50 quest
which of the following best describes an ecosystem?
a the animal life in an area
b the plant life in an area
c the plant and animal life in an area
d the plant, animal, and bacterial life in an area
e the plant, animal, and bacterial life plus the physical and chemical environment in an area
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question 31
aquifers are __.
a deep seawater deposits.
b underground stores of freshwater.
c filters for seawater underground.
d filters for ground water.
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Explanation:

For the first question, an ecosystem includes all living organisms (plants, animals, bacteria) and their physical/chemical environment. For the second question, aquifers are underground layers holding freshwater.

Answer:

E. the plant, animal, and bacterial life plus the physical and chemical environment in an area
B. underground stores of freshwater.