Across
- 5. Food chain and food web are two types of ecological concepts that interpret the flow of _________ in a particular ecosystem
- 8. a major type of community of distinctive plants and animals living together in a particular climate and physical environment
- 9. Changes in an ecosystem are caused by natural events and by ________
- 11. A _______ forest is filled with trees which drop their leaves every year
- 12. _____level: Any of the sequential stages in a food chain, occupied by producers at the bottom and in turn by primary, secondary, and tertiary consumers, and then by decomposers (starts with t)
- 13. main difference between food chain and food _____ is that the food chain is a linear sequence of organisms through which the energy and nutrients pass whereas the food web is a complex of interconnected food chains of a particular ecosystem
- 14. Nature and ecosystems are constantly changing, they are _______
Down
- 1. Sometimes I become disrupted because changes in Earth's cycles affect the balance in a habitat or ecosystem
- 2. A complex network of organisms interacting with each other and their physical environment
- 3. Three essential parts of a food chain include producers, consumers, and ________
- 4. A type of habitat with long grasses and not may trees
- 6. I am the lowest trophic level of the energy pyramid
- 7. I am the process by which the sun's energy changes water and carbon dioxide into food
- 10. The study of relationships between living things and their environment (starts with an e and ends in -ology)