Ecology

2. Final and stable stage in the ecological succession of a community.
4. Complete disappearance of a species, often due to environmental factors or human activities.
5. Microscopic photosynthetic organisms in aquatic ecosystems, crucial for marine food chains.
7. Organisms that obtain their energy and nutrients by consuming other organisms.
11. Chemical substance emitted by an organism to influence the behavior of others of the same species.
12. Scientific study of living organisms and their interactions.
13. Interconnected community of living organisms and their environment.

1. Natural environment where an organism or community of organisms lives.
2. Organic matter decomposed into nutrient-rich soil conditioner.
3. Release or outflow of something, often referring to fluids or substances.
5. Introduction of harmful substances into the environment, causing damage.
6. Total mass of living organisms in a particular area or ecosystem.
8. Capacity to do work or produce heat; vital force driving processes.
9. Removal or clearing of forests, leading to environmental impact.
10. Unit of heredity, carrying genetic information for the development and functioning of organisms.