WVGSA Grade 8 Science Practice Questions - West Virginia General Summative Assessment Grade 8 Science Exam

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Farmers selectively breed wild mustard plants over many generations to cultivate broccoli, cabbage, and kale with desirable traits. How does selective breeding (artificial selection) differ from natural selection?

In selective breeding, humans choose which organisms reproduce based on desired traits rather than environmental survival pressures Selective breeding does not involve DNA or genes Natural selection produces results much faster than artificial selection Artificial selection only works on single-celled bacteria

Correct Answer:

In selective breeding, humans choose which organisms reproduce based on desired traits rather than environmental survival pressures

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