Answer:
They were warm climate plants that would not grow in a cold polar area.
Because people are finding plants and animals in climates where they would have have been able to survive, the paleomagnetic evidence mounts and the theory that continents change position over time can be proved by these animals and plants.
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Answer:
Biotic factors of tundra ecosystem: migratory bird species and mammals such as caribou, foxes, bears, and small rodents.
Explanation:
Biotic component of an ecosystem are the total of all the species of living beings present in the system. It includes species of plant, animals and microbes. Since tundra ecosystem is habitat for migratory bird species and mammals such as caribou, foxes, bears, and small rodents; these living beings serve as biotic component for the system.
