In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
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Question: Question: What is it called when two waves combine to create a larger wave? Answer: constructive interference

Answer: Constructive interference is when two waves combine to create a larger wave.


Question: Question: What kind of system do echinoderms possess? Answer: water-based circulatory

Answer: Echinoderms possess a water-based circulatory system.


Question: Question: What do scientists think are the oldest eukaryotes? Answer: protists

Answer:
Scientists think protists are the oldest eukaryotes.