Given a scientific passage and an answer, generate a question for the given answer.

Input: Consider Input: Passage: Dermal tissue covers the outside of a plant. It's like the plant's skin. Cells of dermal tissue secrete a waxy substance called cuticle. Cuticle helps prevent water loss and damage to the plant. Answer: cuticle

Output: What do cells of dermal tissue secrete?

Input: Consider Input: Passage: The alkaline earth metals include beryllium, magnesium, calcium, strontium, and barium. Strontium and barium react with air and must be stored in oil. Answer: alkaline earth metals

Output: Beryllium, magnesium, calcium, strontium, and barium are classified as what type of metals?

Input: Consider Input: Passage: Producers are living things that use energy to make food. Producers make food for themselves and other living things. There are two types of producers:. Answer: producers
Output: Living things that use energy to make food, both for themselves and other living things, are what part of an ecosystem?