Unit 5: Populations
Across
- 5. ____ growth: birth rate is roughly equal to death rate
- 7. small subgroups of a species in an "island" on mainland
- 8. factors that are typically natural disasters such as weather, drought, fire, etc.
- 10. creates "island" populations on mainland
- 14. ____ growth: birth rate is greater than death rate
- 15. uncontrolled growth that generates a "J" curve
- 16. some organisms are hunted before reproduction stage
- 17. the theoretical number of offspring that can be produced under ideal conditions
- 18. environmental ____ or limiting factors
- 19. controlled growth that creates a "S" curve
Down
- 1. maximum number of organisms an ecosystem can support
- 2. low reproduction rates, long lifespan, parenting
- 3. some organisms die from this before reproduction stage
- 4. birth rate subtracted by death rate
- 6. high reproduction rates, short lifespan, little to no parenting
- 9. members of a species in the same area
- 11. ____ growth: birth rate is less than death rate
- 12. the struggle to access resources leads to
- 13. factors such as competition, stress, disease, and predation.