Biology Crossword Puzzle

4. A symbiotic relationship between organisms of two or more different species in which all parties are benefitted.
6. Layer of Earth that includes all the water in the planet.
7. When too many fish are taken out of the ocean, thus often causing the area’s food web to fall apart.
11. Symbiotic relationship in which one party is benefitted, while the other isn’t either harmed or helped out.
14. Layer of Earth that includes the rocks and minerals.
15. System divided by levels in which the organisms that are in the lower levels get eaten by the ones in the higher levels, thus passing on their energy as well.
17. Measure of how equally distributed among species the organisms in an area are.
18. (species) Organism that isn’t native to a particular area, and often causes harm to it.
19. An organism’s role in its environment.
20. Type of population growth characterized for having an S shape when graphed.

1. Measure regarding the number of species and the distribution of organisms among those species in an area.
2. The amount of different kinds of species in a specific region.
3. Interaction between organisms that occurs when they need to fight over a resource.
5. The organism being harmed from a parasitic relationship.
8. An often long-term physical bilateral relationship between two organisms, in which at least one of them is benefitted
9. Layer of gases that surrounds a planet and is kept in place because of gravity.
10. The intentional clearing of trees in forested land.
12. The organism being benefited from a parasitic relationship.
13. Type of population growth characterized for having a J shape when graphed.
16. A symbiotic relationship between no more than two parties, in which one organism is benefited, while the other is harmed.