Direction: Fill up the blanks with letters to complete or form the word. Use the clues below 1. _ _ _ _ _ E _
2. C _ _ _ _ _ _ _ _
3. _ _ O
4. _ _ _ _ L _ _ _ _ _
5. _ _ O _ _ _ _ _ _
6. _ _ _ _ _ G _
7. _ _ _ I _ _ _ _ _ _ _
8. C _ _ _ _ _ _ _ _ _
9. _ A _ _ _ _ _
10._ _ _ _ _ _ L

CLUES:
1. Individuals sharing common traits and are capable of interbreeding.
2. An under water ecosystem characterized by reef.
3. Temporary shelter for different animals.
4. A group of organism belonging to a particular species.
5. A community of organisms interacting with the physical environment.
6. The study of ecosystem.
7. The entire living world.
8. A group of different species sharing resources like food and shelter.
9. An artificial ecosystem.
10. An ecosystem that is a result of interaction between organism and the environment.​