Across
- 1. all the organisms that belong to the same species living in a community
- 4. an animal hunted or killed by another animal for food
- 5. the ability to adjust to a food or drug so that its effects are experienced less strongly
- 8. to cause to sprout or develop
- 10. something(as an environmental change) that acts to partly change bodily activity (as by exciting a sensory organ)
- 12. an organism (as a bacterium or a fungus) that feeds on and breaks down dead plant or animal matter
- 14. features of the environment that are alive or were once alive
- 15. organism that cannot create energy- rich molecules but obtains its food by eating other organisms
- 16. having growth or other biological activity much reduced or suspended
Down
- 2. an animal that lives by killing and eating other animals
- 3. positive or negative plant response to an external stimulus such as a touch, light, or gravity
- 6. nonliving, physical features of the environment, including air, water, sunlight, soil, temperature, and climate
- 7. organism, such as a green plant or alga, that uses an outside source of energy like the sun to create energy-rich food molecules
- 9. the whole complex of factors (as soil, climate, and living things) that influence the form and the ability to survive of a plant or animal or ecological community
- 11. anything that can restrict the size of a population, including living and nonliving features of an ecosystem, such as predators or draught
- 13. all the living organisms that live in an area and the nonliving features of their environment