Solve these clues to fill the grid.
- A community of organisms where there are several interrelated ___ chains
- 4 Across
- A major biotic community characterized by the dominant forms of plant life and the prevailing
- 6 Across
- An activity that diverts or amuses or stimulates
- 9 Across
- The wide part of a river where it nears the sea
- 10 Across
- A terrestrial or aquatic flesh-eating mammal
- 12 Across
- The state of being ___ or having a job
- 13 Across
- Long stream of water flowing to the sea
- 14 Across
- A person who eats all kinds of foods
- 16 Across
- A community of organisms where each member is eaten in turn by another member
- 1 Down
- Any animal that feeds chiefly on grass and other plants
- 2 Down
- Underground bed or layer yielding ground water for wells and springs etc
- 3 Down
- What we eat to get energy and grow
- 5 Down
- Clear liquid we drink that falls as rain
- 7 Down
- Water that is not salty
- 8 Down
- A large or extra supply of something
- 11 Down
- The power to do work or make things move
- 15 Down
