Answer :
Answer: 1. Adaptions. 2. extinct, traits. 3. genetic variation, environment.
Explanation:
1. When an environment changes, adaptation can help an organism survive.
2. A species becomes extinct when an environment changes and the species does not have a specific traits for survival or reproduction
3. Genetic variation increases the chance of survival of a species
2. A species becomes extinct when an environment changes and the species does not have a specific traits for survival or reproduction
3. Genetic variation increases the chance of survival of a species