extinction

许多物种面临灭绝的威胁。

Many species face the threat of ___extinction.

由于栖息地丧失，熊猫曾濒临灭绝。

Pandas nearly faced ___extinction due to habitat loss.

由于栖息地丧失，许多海龟面临灭绝。

Many turtles face ___extinction due to habitat loss.