AP BIOLOGY

ECOLOGY

BIOMES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The tundra and the desert are alike in some ways; different in others. Both the tundra and the desert have little available water for plant growth. Imagine you are collecting soil samples from a desert and the tundra. What might these soil samples have in common?
A
lots of decomposing tree roots
B
very small, fine-textured soil particles
C
a large amount of sand and very little silt or clay
D
a very low amount of humus
Explanation: 
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