Part1a--Which of the following best describes "Theory" as used in science?
Select the correct answer
1. A theory is a speculation based on little to no evidence.
2. A theory is a broad explanation based on many lines of evidence, that has withstood rigorous testing,
3. A theory fails to aid in the generation of hypotheses
4. A theory is a guess based on no supporting information.
Part 1b--Which of the following are required for evolution?
Select all that apply.
1. Traits that are heritable
2. Genetic variation among members of a population
3. Differential survival
Part 1c---A population of bacteria is found to have resistance to an antibiotic. Which of the following statements explains how this developed? Select the correct answer
1. Some bacteria had naturally occurring genetics mutation that allowed them to survive in an environment containing the antibiotic.
2. Some bacteria realized that they required resistance to survive and selected for this trait.
3. The antibiotic caused immediate mutations in the bacteria that allowed them to live.
4. The bacteria created mutations because they knew they needed to develop resistance, otherwise all of the bacteria would die.