Directions: Read and analyze the questions carefully. Write the letter of your answer
on your answer sheet.
1. Which statement best describes a population in a pond ecosystem?
A A group of frogs living in the pond.
B. A group of different organisms interacting together.
C. An organism interacting with the physical environment.
D. A group of frogs, insects, small aquatic plants, and small fishes living in the
same area
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