Choose the best answer. what kind(s) of wildlife are not found (according to the biome viewer) in the tundra biome-- and why?

1. reptiles and amphibians are not found in the tundra because they are warm blooded and need to live in warmer biomes.

2. reptiles and amphibians are not found in the tundra because they are cold blooded and need to live in warmer biomes.

3.reptiles are not found in the tundra because they are warm blooded and need more sun to survive.

4. mammals are not found in the tundra because they are warm blooded and need warmer climates o survive.

need this as soon as possible!