The correct answer is that Plants that are fertilized with fish meal will grow taller than plants that receive artificial fertilizer.
The hypothesis that Fish meal is better than artificial fertilizer. The revised statement to this hypothesis could explain the effect of fish meal which affects the plant in a better way when compared to artificial fertilizers. The plants fed with fish meal will grow taller than plants that are fed with artificial fertilizer.
Answer:
Researchers also found that the longer a male's tail feathers, the faster he was able to shake them. This effort would require more muscular strength, and might be a powerful signal of fitness to the females.
Explanation:
The answer is D. It allows population to become genetically different
experiment, in the scientific method the hypothesis is tested through experimentation and if confirmed is called a theory.