Complete the summary below. Choose NO MORE THAN TWO WORDS from the passage for each answer.

The woolly mammoth revival project

Professor George Church and his team are trying to identify the [5] which enabled mammoths to live in the tundra. The findings could help preserve the mammoth’s close relative, the endangered Asian elephant.

According to Church, introducing Asian elephants to the tundra would involve certain physical adaptations to minimise [6]. To survive in the tundra, the species would need to have the mammoth-like features of thicker hair, [7] of a reduced size and more [8].

Repopulating the tundra with mammoths or Asian elephant/mammoth hybrids would also have an impact on the environment, which could help to reduce temperatures and decrease [9].