Which of the following statements about the tundra is accurate? A:The tundra has four distinct seasons.

B:Most people who live in the tundra are farmers.

C:The tundra is very cold, but has high levels of precipitation.

D:Despite its cold climate, the tundra is home to numerous species of wildlife, including caribou and reindeer.
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1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Using meiosis, the sporophyte produces spores that are .

The two main stages of cell division are called