Chapter_3_Essential_Environment_4th_Edition_Ecology
Across
- 2. helps us understand why ecosystems, communities, and populations are distributed across geographic regions
- 4. consists of an assemblage of populations of interacting species that inhabit the same area
- 7. where an organism lives
- 9. scientists who study relationships at higher levels of this hierarchy-organism, population, community, ecosystem, landscape and biosphere
- 11. expressed as the number of individual organisms present, increase, decrease, undergo cyclical change or remain stable over time
- 13. communities and the abiotic materials and forces with which community members interact
- 15. functional role in the organisms community
- 16. scientific study of interactions among organisms and relationship between organisms and environment
Down
- 1. thrives in certain habitats but not others
- 3. "jack of all trades"
- 5. mobile organisms actively select habitats from the range of options they encounter
- 6. flow of energy and nutrients by studying living and nonliving components of systems in conjunction
- 8. dynamics of population change and the factors that affect the distribution and abundance of members of a population
- 10. patterns of species diversity and on interactions among species, ranging from one-to-one interactions up to complex interrelationships involving an entire community
- 12. cumulative total of living things on Earth and areas they inhabit, atoms, molecules, cells
- 14. narrow breadth