Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
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Question: Question: While similar to insects, what eight-legged invertebrates lack antennae or wings? Answer: arachnids

Answer: Arachnids do not have antennae or wings.

Question: Question: Green cyanobacteria on a lake produce food through what process? Answer: photosynthesis

Answer: Green cyanobacteria on a lake make food by photosynthesis.

Question: Question: At what point can nutrients enter or exit an ecosystem? Answer: any point

Answer:
Nutrients can enter or exit an ecosystem at any point and can cycle around the planet.