Across
- 6. traits that help in organism survive
- 7. Species that can survive in multiple environments
- 8. ___ Diversity, the variety of traits within a single populations
Down
- 1. species that need a specific set of traits to survive
- 2. a drastic event that can reduce population size and genetic diversity
- 3. ___ Succession when an ecosystem begins on bare rock
- 4. ____ Species, whose presence is used to gauge the health of an ecosystem
- 5. ___ Species, whose removal results in the collapse of an ecosystem