Solve these clues to fill the grid.
- An investigation of the component parts of a whole and their relations in making up the whole
- 4 Across
- A plant cultivated for its blooms or blossoms
- 8 Across
- The type of environment in which an organism or group normally lives or occurs
- 9 Across
- How plants make food from sunlight
- 10 Across
- A community of organisms where each member is eaten in turn by another member
- 11 Across
- An organism that obtains energy by eating other organisms.
- 14 Across
- Any animal that feeds chiefly on grass and other plants
- 15 Across
- An organism that makes its own food, usually using sunlight.
- 16 Across
- The usually underground organ that lacks buds or leaves or nodes (plural)
- 1 Down
- Metal device shaped in such a way that when it is inserted into the appropriate lock the lock's
- 2 Down
- Absence of light or illumination
- 3 Down
- The responsive adjustment of a sense organ to varying conditions
- 5 Down
- The part of the earth's surface consisting of humus and disintegrated rock
- 6 Down
- Green parts of a tree that fall in autumn
- 7 Down
- A terrestrial or aquatic flesh-eating mammal
- 12 Down
- What lets us see; the opposite of dark
- 13 Down