8063. Many species of animals have become extinct during the last hundred years.

✅ The correct answer is option B.
aggressive : ready or likely to attack or confront; characterized by or resulting from aggression.

non-existent : not existing or not real or present.

scattered : occurring or found at intervals or various locations rather than all together.

feeble : lacking physical strength, especially as a result of age or illness.

extinct : no longer in existence.

Synonym of extinct is non-existent