They're both types of active transport that are the intake of something into a cell. Khan Academy has a great article on this. I recommend checking that out.
American prairie, bison and badgers don't live in any of the other options naturally.
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.
