What holds an organisms hereditary information

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system