Unit 3 Biology

5. Carbon dioxide and water are needed to produce ____ and oxygen
6. An organism that eats both plant and meat material
8. Only ___ percent of energy is passed on to the organism that is consuming
11. Photosynthesis is a series of _____ controlled reactions
13. A community of animals or plants where interbreeding (same species)occurs
15. The natural home of an organism
16. These are grid shaped devices to determine the percentage of plants or slow moving invertebrates in an area
17. The role an organism plays

1. A plant that produces its own food (by photosynthesis) and is the start of a food chain
2. Type of competition that occurs between different species
3. Carbon dioxide concentration, ______, and temperature are all examples of limiting factors
4. Various interacting species in a shared environment
7. _____ are spontaneous events that change the genetic information of an organism
9. Carnivores that hunt
10. Organisms whose presence or absence gives information about pollution or other environmental conditions
12. ____ factors are living factors that affect organisms e.g grazing, disease
14. The first stage of photosynthesis is called the ___ reaction stage