Correct option is B
A. Tundra - 4. Reindeer
The Tundra biome is a cold, treeless region found in the Arctic and Antarctic, where Reindeer (or Caribou in North America) are commonly found. Therefore, A-4 is correct.
B. Savannah - 3. Zebra
The Savannah is a grassland ecosystem characterized by trees being sufficiently spaced so that the canopy does not close. It is commonly found in Africa, where Zebras are a prominent species. Therefore, B-3 is correct.
C. Western Australia - 1. Kangaroo
Western Australia is part of Australia, which is known for its diverse wildlife including Kangaroos. Therefore, C-1 is correct.
D. Antarctica Coast - 2. Penguin
The Antarctic Coast is home to several species of Penguins, which are well-adapted to the cold environment. Therefore, D-2 is correct.