This is an example le of commensalism.The burdock seeds benefit and the cow is unharmed.
the mutation occurred in the gametes
hope this helps :)
Answer:
A.
Explanation:
The arctic soil is so cold that the ground beneath the tundra surface remains frozen all year. This permanently frozen ground is called permafrost. Each summer, when the sun warms the tundra surface, the top few inches of soil thaw. This melted part is called the active layer.
