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

[EX Q]: Passage: 19.4 Community Ecology Communities include all the different species living in a given area. The variety of these species is referred to as biodiversity. Many organisms have developed defenses against predation and herbivory, including mechanical defenses, warning coloration, and mimicry. Two species cannot exist indefinitely in the same habitat competing directly for the same resources. Species may form symbiotic relationships such as commensalism, mutualism, or parasitism. Community. Answer: symbiotic
[EX A]: Commensalism, mutualism, and parasitism are known as what type of relationships?

[EX Q]: Passage: Runoff is likely to cause more erosion if the land is bare. Plants help hold the soil in place. The runoff water in Figure below is brown because it eroded soil from a bare, sloping field. Can you find evidence of erosion by runoff where you live? What should you look for?. Answer: erosion
[EX A]: Runoff is likely to cause more what if the land is bare?

[EX Q]: Passage: At transform plate boundaries, two plates move in opposite direction. Answer: opposite
[EX A]:
At transform plate boundaries, two plates move in which directions?