Ecology

3. Level of nourishment in a food chain.
6. Variety of life forms in a given ecosystem, biome, or planet.
7. Animals that consume other animals for energy.
8. Animals eating both plants and other animals.
12. Protection, preservation, management, or restoration of natural environments and the ecological communities that inhabit them.
14. Place where an organism lives and finds everything it needs to survive.
15. Biological community of interacting organisms and their physical environment.
16. When an organism's traits change to help it survive in its habitat.
18. Study of interactions among physical, chemical, and biological components of the environment.
21. Rivalry among organisms for resources like food and space.
22. Illustrates the flow of energy from producers to consumers in an ecosystem.
23. Animals that hunt and consume other animals.
24. Signifies the number of individuals (people or animals) in a defined area.

1. Animals that only eat plants for energy.
2. Interconnected food chains displaying relationships in an ecosystem.
4. Maximum number of individuals an environment can sustain without resource depletion.
5. They eat dead animals they find, helping to clean up the environment.
9. Animals hunted and eaten by other animals.
10. Living organisms in an ecosystem or environment.
11. Trait changes aiding an organism's survival in its habitat.
13. Elements regulating population size like food availability.
17. Organisms breaking down dead matter into nutrients.
19. Organism's role in its environment, including what it eats and where it lives.
20. Total mass of living organisms in a specific area.