Across
- 2. _______ means the amount of useful plant part per plant.
- 3. is organic matter that is partially decomposed.
- 5. _______ is the female part of a flower that contains ovules
- 6. Other plants produce new stems that run underground called _______.
- 9. _______ grains are small sticky cells.
- 12. A _______ cycle is the stages that a living thing passes through to go from one generation to the next.
- 13. _______ rotation is the practice of planting a different _______ in a particular field every year.
- 14. A _______ is a group of organisms with similar traits that can reproduce with each other.
- 20. _______ is the male part of a flower that produces pollen
- 21. A _______ is a tiny piece of material in a cell’s nucleus. Each _______ in a cell is responsible for the inheritance of certain traits or characteristics.
- 22. _______ are the male and female parts used for reproduction
- 23. Reproduction of plants that doesn’t involve seeds is called _______reproduction.
- 26. _______ anchor the plant in the soil
- 27. _______ is attaching a part of one plant onto another plant.
- 29. Some seed plants reproduce from their roots. New plants that form on roots are called _______.
- 30. A variety has specific characteristics, or _______, that distinguish it from other varieties.
- 31. _____ is not just dirt. It has spaces with air or water that is between its mineral and organic particles
- 32. _______ is the evaporation of water from the surface of the plant—mainly from the leaves.
- 33. _______ produce food for the plant
- 37. tiny tubes in the roots and stems.
- 38. the plant cell is surrounded by a membrane that has _______ , or tiny openings.
- 39. is a special name given to the movement of water particles through a membrane
- 42. there are separate male and female _______ for reproduction
- 43. _______ resources are living things that can be used for human needs.
- 45. Some produce _______, which are long stems that grow along the surface of the soil.
- 46. Plants produce flowers and cones only so they can make seeds. To do this, the adult seed plant needs to undergo the process of _______.
- 47. Selective _______ is the process of selecting plants with specific traits and reproducing them.
Down
- 1. _______ respiration is when plants use this sugar for food, they get energy and produce carbon dioxide and water as waste.
- 4. In farm management, each planted field will often be used to support growth of just one variety of plant. This is called _______.
- 7. _______takes place when there is a difference between the concentration of a substance inside and outside a cell.
- 8. Environmental _______ is balancing the needs of humans with the needs of the environment.
- 10. Monoculture also reduces the _______, that is, the number of different species, of the environment, since only one kind of habitat is available.
- 11. Sometimes, a natural predator is used to control a pest. This method of pest control is called _______ control.
- 13. _______ are small pieces of a plant that usually have a part of the stem and a few leaves.
- 15. The _______ capture the sun’s energy and use it to join carbon dioxide and water together to make sugar. This process also produces oxygen.
- 16. In this unit, we are going to look only at those plants that make seeds, or _______ plants.
- 17. In the process of photosynthesis, plants use carbon dioxide and produce oxygen. In the process of cellular respiration, plants use oxygen and produce carbon dioxide. _______ exchange is the process of these gases entering and leaving the plant.
- 18. _______engineering is a process in which single genes are added to a plant’s cells.
- 19. _______ are chemicals that kill plants.
- 24. A _______ is a subset of a species.
- 25. _______ are substances that provide the energy and materials that plants need to grow.
- 28. Another process that does not require a difference in substance concentration is called _______ transport. _______ transport uses energy to move substances in and out of plant cells.
- 34. Plants also prevent _______, which is the process that moves soil from one place to another.
- 35. _______ contain an embryo that will form a new plant
- 36. Substances that kill insects are called _______.
- 38. Many flowering plants rely on _______, which are organisms that carry pollen from one flower to another. Birds, insects, and even bats can be _______.
- 40. _______ provide a pathway for movement of water and food
- 41. action is when water travels from the roots to the leaves
- 44. _______consequences are something that you didn’t predict would result from what you did.