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: Herbivores are heterotrophs that eat only or mainly what? Answer: plants

Answer: Herbivores are heterotrophs that eat only or mainly plants.


Question: Question: Which are the closest living relations to land plants? Answer: charophytes

Answer: Charophytes are the closest living relations to land plants.


Question: Question: When does the diploid zygote form? Answer: after the pollen tube

Answer:
After the pollen tube does the diploid zygote form.