Biology Crossword

1. Feed on Detritus often chewing or grinding them into even smaller pieces
3. A group of individuals that belong to the same species and live in the same area
6. Network of food chains (feeding interactions)
8. Must acquire energy from other forms by ingesting them one way or another
10. factor Physical components of an ecosystem. Non-biological
12. Animals whose diets naturally include a variety of different foods that includes both plants and animals
16. Chemical energy is used to produce carbohydrates
21. Kill and eat other animals
22. Autotrophs that are the first producers of energy rich compounds that are later used by other organisms
23. Captures light energy and uses it to power chemical reactions that convert carbon dioxide and water into oxygen and energy rich carbs such as sugars and starches

1. Small pieces of dead and decaying plant and animal remains
2. Primary producers that are a mixture of floating algae
4. All the organisms that live in a place together with their physical environment
5. An assemblage of different populations that live together in a defined area
7. Feed by chemically breaking down organic matter
9. A group of ecosystems that share similar climates and typical organisms
11. Contains all life on Earth and all parts of the Earth in which life exists including land water and atmosphere
13. The scientific study of interactions among organisms and between organisms and their physical environment
14. Series of steps in which organisms transfer energy by eating and being eaten
15. Obtain energy and nutrients by eating plants leaves, roots, seeds, or fruits
17. Animals that consume the carcasses of other animals that have been killed by predators or have died from other causes
18. Group of similar organisms that can breed and produce fertile offspring
19. Biological influences on organisms
20. Organisms that can capture energy from sunlight or chemicals and convert it into forms that living cells can use (algae, certain bacteria, and plants)
21. Organisms that rely on other organisms for energy and nutrients (Hetrotrophs)