Living Environment

1. An organism that eats only plants
5. how plants receive energy. takes in sunlight, CO2, and water to make glucose and oxygen
6. the living parts of the environment
9. the nonliving parts of the environment
11. organelle that creates ATP from glucose
13. the basic unit of structure and function that makes up all organisms
17. an organism that only eats other animals
18. An organism, generally a bacteria or fungus, that consumes dead organisms and organic waste
20. a structure within the cell that carries out a specific function
22. selectively permeable, regulates what comes in and goes out of the cell

2. long-term gradual change in an ecosystem where plants replace others over time; usually happens after land is destroyed
3. the increasing buildup of toxic substances within organisms that happens at each stage of the food chain
4. a factor in the environment that limits the size of a population
7. An organism that produces its own food
8. green organelles that contain chlorophyll; where photosynthesis takes place
10. An organism that eats plants and animals
12. stores genetic information, including chromosomes and DNA
14. An animal that hunts and kills other animals for food
15. protects the cells form damage. only found in plant cells
16. An organism that cannot make its own food
19. proteins that speed up the rate of chemical reactions in living things
21. An animal that is hunted and killed by predators