Our Environment
Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
1
2
3
4
5
Check
Across:
1.
Substances which can be broken into pieces by biological process
3.
a complex of living and nonliving organisms and their interactions
5.
an organism is the position it occupies in a food web.
Down:
2.
a place where different things are such as a swampy or hot
4.
Organisms which synthesise carbohydrates from inorganic compounds using radiant energy
OK