Solve these clues to fill the grid.
- A group of people having a religion, ethnic, profession
- 3 Across
- An organism that obtains energy by eating other organisms.
- 5 Across
- The relation between two different species of organisms that are interdependent
- 8 Across
- How plants make food from sunlight
- 9 Across
- A terrestrial or aquatic flesh-eating mammal
- 10 Across
- Tiny single-celled living things, some of which cause illness
- 14 Across
- A major biotic community characterized by the dominant forms of plant life and the prevailing
- 1 Down
- An organism that makes its own food, usually using sunlight.
- 2 Down
- A business relation in which two parties ___ to gain customers
- 3 Down
- The relation between two different kinds of organisms in which one receives benefits from the other
- 4 Down
- The relation between two different species of organisms that are interdependent
- 6 Down
- Plant capable of synthesizing its own food from simple organic substances
- 7 Down
- An abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous ___
- 10 Down
- Available source of wealth
- 11 Down
- Of or relating to living organisms
- 12 Down
- The type of environment in which an organism or group normally lives or occurs
- 13 Down