What biome should you live in if you enjoy a mountainous area, with dense coniferous vegetation; warm rainy summers, with very cold winters? Tundra Desert Grasslands Taiga

Explanation:

In physical geography, tundra is a type of biome where the tree growth is hindered by low temperatures and short growing seasons. The term tundra comes through Russian тундра from the Kildin Sámi word тӯндар meaning "uplands", "treeless mountain tract".

Taiga

Explanation:

Tundra is above the tree line.  While a few trees that can be found there such as willow or birch, it is known for it's lack of trees and extreme cold.

Taiga has short, wet and warm summers, and long,  very cold winters. This biome is also known as Boreal Forest. You will find coniferous forests with evergreen trees such as pine, fir, spruce. An example is the Siberian Forest.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.