Across
- 2. Non-living parts of an ecosystem
- 4. a change from something humans have done on the natural world
- 6. preserved remains, found in the earth's crust that lived a long time ago
- 8. an organism's ability to survive to reproductive age and then reproduce offspring
- 10. when an activity of an organism helps those around it, but it harms itself in the process
- 13. the process where carbon is exchanged between living things, the earth, and the atmosphere
- 15. seasonal movements of animals from one region to another
- 16. the maximum number of living things a certain area can sustain
- 17. a species not native to an ecosystem
- 18. any alternative of the gene that may produce a phenotype
- 19. the amount of biological variation in an area
- 22. a process not requiring oxygen in the body
- 23. collective genetic material within a population of inbreeding organism
- 24. where 2 or more individuals of different species compete for the same resource
- 25. removal of forests in different ways by humans to make way for mono-culture
- 26. the differences in the genetic makeup of individuals in a population
Down
- 1. a change in the climate attributed to human behavior
- 3. a process that allows populations do become more suited to their environment
- 5. the services an ecosystem provides to humans in various different ways
- 7. a process requiring oxygen in the body
- 9. the living things in an ecosystem
- 11. undertaken by mammals in which members are grouped together
- 12. steps designed to protect biodiversity in a specific area
- 14. no living members of a species are left
- 20. a drawing that visually communicates the subject being studied
- 21. building block of life