Answer:
The correct answer is<u> A. shallow roots that do not reach the frozen soil</u>
Explanation:
The tundra is known for its lack of trees. The short summer season results in a short growing season, which makes it difficult for trees to grow larger. The cold temperature of the permafrost also makes decomposition slower, which limits the amount of nutrients being cycled through the environment.
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Answer:
The given statement is true.
Explanation:
A channel protein refers to a protein, which permits the conduction of particular substances like small molecules or ions through the cell membrane. They perform this task either through the process of active transport or facilitated diffusion on the basis of the concentration gradient or due to the variation in the concentration of components outside and within the cell membrane.
Xylem is one of the two types of transport tissue in vascular plants, phloem being the other. The basic function of xylem is to transport water from roots to stems and leaves, but it also transports nutrients.
