Across
- 2. have an extremely high impact on a particular ecosystem relative to its population
- 4. the maximum population size of a biological species that can be sustained by that specific environment, given the food, habitat, water, and other resources available
- 5. plants and animals that have migrated to places where they are not native
- 9. refers to all the variety of life that can be found on Earth as well as to the communities that they form and the habitats in which they live
- 10. includes the variety of habitats, communities, and ecological processes in the living world
- 12. refers to the sum total of all the different forms of genetic information carried by all the organisms living on Earth today
- 13. the process during which a large expanse of habitat is transformed into a number of smaller patches of smaller total area isolated from each other by a matrix of habitats unlike the original
Down
- 1. is any concentration of a toxin, such as pesticides, in the tissues of tolerant organisms at successively higher levels in a food chain
- 3. refers to the number of different species in the biosphere
- 6. planned management of a natural resource to prevent exploitation and destruction
- 7. a species whose population size is declining in a way that places it in danger of extinction
- 8. When a natural habitat, such as a forest or wetland, is altered so dramatically that it no longer supports the species it originally sustained.
- 11. occurs when a species disappears from all or part of its range