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Science Chapter One-
| Question | Answer |
|---|---|
| 1. Cells come from | other cells |
| 2. Animals that eat other animals are called | carnivores |
| 3. A ____________ hunts other animals for food. | predator |
| 4. Plants make their own food using water, sunlight, and ____________. | carbon dioxide |
| 5. ______________ can be changed by humans | ecosystems |
| 6. More than ________________ organisms have been identified. | 1 million |
| 7. Most organisms are made of __________ cell (unicellular). | one |
| 8. ______________ supply energy for cells. | mitochondria |
| 9. A _________________ models how food energy is transferred from one organism to the next. | food chain |
| 10. Communities of plants and animals also contain protests, fungi, and _________________. | bacteria |
| 11. A _______________ lives in or on a host organism. | parasite |
| 12. Oxygen is a waste product in ________________. | photosynthesis |
| 13. Photosynthesis is the opposite of ______________. | respiration |
| 14. You can tell the age of a tree by its ___________. | rings |
| 15. ____________ occurs when air pollution mixes with moisture in the atmosphere. | Acid rain |
| 16. ____________ work together to take care of ALL functions in an organism. | cells |
| 17. A vacuole stores water, food, and ___________. | wastes |
| 18. A ___________ is the round organelle in the center of a cell. | nucleus |
| 19. Tissues work together and form ___________. | organs |
| 20. Nonliving things are called _______________ factors. | abiotic |
| 21. Decaying or rotting bodies are eaten by ______________. | scavengers |
| 22. Lichens are two organisms that live together. They are _________ and __________. | fungi and algae |
| 23. _____________ live in a sea anemone. | clownfish |
| 24. ______________, _____________, and _____________ are needed for photosynthesis. | Sunlight, water, and carbon dioxide |
| 25. Chlorophyll captures energy from _____________. | the Sun |
| 26. Cell walls of plants are made of _______________. | cellulose |
| 27. Animals depend on photosynthesis as their source of ________________. | energy |
| 28. A diagram showing the amount of energy 28. available at every level of the ecosystem is called a/an ________________________. | energy pyramid |
| 29. _________ is a type of air pollution that forms over urban and industrial areas. | smog |
| 30. Toxic waste is a collection of _______________ materials. | poisonous |
| 31. The gray wolf is a(n) _____________ species. | threatened |
| 32. The final stage of succession in a community is called ___________________. | climax |
| 33. A forest fire is an example of ____________ succession. | secondary succession |
| 34. All members of a single species in an area make up a ___________________. | population |
| 35. The reliance of certain organisms on other organisms is called _________________. | interdependence |
| 36. Photosynthesis occurs in cells that have _________________. | chloroplasts |
| 37. Our country has _________ to help protect the environment. | laws |
| 38. There are fewer organisms at the ______________ level of a pyramid than at the level below. | ascending (top) |
| 39. Each ring in a tree represents one ________. | year |
| 40. Thousands of species are expected to become ______________ each year. | extinct |
| 41. The biggest threat to the survival of most organisms is ____________ loss. | habitat |
Created by:
Kerri.dillard
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