Across
- 4. 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
- 6. Nature and ecosystems are constantly changing, they are this
- 7. Three essential parts of a food chain include producers, consumers, and this
- 9. a major type of community of distinctive plants and animals living together in a particular climate and physical environment
- 10. Food chain and food web are two types of ecological concepts that interpret the flow of _________ in a particular ecosystem
Down
- 1. A type of habitat with long grasses and not may trees
- 2. _____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)
- 3. Changes in an ecosystem are caused by natural events and by these
- 5. A complex network of organisms interacting with each other and their physical environment
- 8. The study of relationships between living things and their environment (starts with an e and ends in -ology)