Question

a student decided to make a model of an ecosystem in a plastic bottle like the one shown. which of the following is a scientific question the student might ask? a. why do people recycle plastic bottles? b. is it ethical to keep invertebrates in a plastic bottle? c. how beautiful are the plants in my model? d. how does sunlight affect a model of a biogeochemical cycle?

Explanation:

A scientific question should be testable and related to the scientific concept being explored. Option A is about recycling behavior, Option B is an ethical question, Option C is subjective about beauty. Option D is about the effect of sunlight on a biogeochemical - cycle model which can be tested scientifically.

Answer:

D. How does sunlight affect a model of a biogeochemical cycle?