B because it is the opposite of it sitting in the cold
Many such as Mt St Helens, Washington, and Lava city Navada, and Shieldville Oklahoma, and last Makahoona Hawaii.
I believe it is "Bacilli" because the question give you a hint by saying "<span>rod shaped structures", Bacilli very similar to this description.
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In general, it is not true that Ecology focuses on how human activities affect an ecosystem and ways to mitigate resulting issues, since this is not the primary focus of the field.