Given a scientific passage and an answer, generate a question for the given answer.
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Question: Passage: Take a close look at this gorilla hand. The similarities to a human hand are remarkable. Comparing anatomy, and characterizing the similarities and differences, provides evidence of evolution. Answer: evolution

Answer: Comparing anatomy, and characterizing the similarities and differences, provides evidence of what process?

Question: Passage: Chemistry is based on the modern atomic theory, which states that all matter is composed of atoms. Answer: chemistry

Answer: What branch of science is based on the modern atomic theory, which states that all matter is composed of atoms?

Question: Passage: Inside the plasma membrane of prokaryotic cells is the cytoplasm. It contains several structures, including ribosomes, a cytoskeleton, and genetic material. Ribosomes are sites where proteins are made. The cytoskeleton helps the cell keep its shape. The genetic material is usually a single loop of DNA. There may also be small, circular pieces of DNA, called plasmids . (see Figure below ). The cytoplasm may contain microcompartments as well. These are tiny structures enclosed by proteins. They contain enzymes and are involved in metabolic processes. Answer: vacuole

Answer:
A flower's colors come from what part of the plant?