Please Use the Following Information to Answer the Question(s) Below

Multiple Choice

Please use the following information to answer the question(s) below.
In areas of permafrost, stands of black spruce are frequently observed in the landscape, whereas other tree species are noticeably absent. Often these stands are referred to as "drunken forests" because many of the black spruce are displaced from their normal vertical alignment.
-When climbing a mountain, we can observe transitions in biological communities that are analogous to the changes

A) in different depths in the ocean.
B) in biomes at different latitudes.
C) in a community through different seasons.
D) in an ecosystem as it evolves over time.