An athlete wants to eat a meal that will give them quick energy. Which of the following macromolecules should the athlete consume?
Lipids (Fats)
Carbohydrates
Protein
Nucleic Acid

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To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.