7th chpt 7
Across
- 3. a response to touch by a plant
- 6. these vascular tissues transport water and minerals
- 7. these vascular tissues transport food down the plant from the leaves
- 9. the organelle in a plant cell that stores water
- 11. plants that complete their life cycle in one year
- 13. this part of a woody stem produces new vascular tissue
- 15. an ____ stem is green and flexible
- 16. in seeds, sometimes food is stored inside these, there may be one or two
- 19. if a plant is this, it does not have xylem and phloem
- 21. together, the stigma, style, and ovary make up the ___ of a flower
- 24. dormancy helps plants survive freezing weather and a lack of ___ ____
- 27. there is only one species on Earth left of this gymnosperm
- 28. this is another compound found in plants that helps with structural support of the plant
- 29. a response to light by a plant
- 31. a single main root with small lateral roots and root hair coming off it
- 35. a response to water by a plant
- 37. plants that complete their life cycle in 2 years
- 38. ferns are vascular, but they do not produce seeds, they produce ___ to reproduce
- 40. a variety of chemicals that affect how a plant grows and develops
- 42. mosses are ___ plants
- 43. together, the anther and the filament make up the ___ of a flower
- 46. the term used to show that a sperm cell has just united with an egg cell
- 47. all flowering plants are ____
- 48. dicots have _____ veins on their leaves
- 49. the ripened ovary of an angiosperm becomes this that we can sometimes eat
- 50. these gymnosperms are the palm trees
- 51. the plant life cycle structure that produces egg and sperm cells
Down
- 1. the structure that results from the joining of an egg and sperm cell
- 2. gases move in and out of a leaf through these openings on the underside
- 3. a leaf’s cuticle reduces ________ that can cause water loss
- 4. the terms used to show that a pollen grain has landed on the stigma of a flower
- 5. in ___ reproduction, an egg and sperm cell unite, giving the offspring new genetic info different from the parents
- 6. older inactive ____ form the rings that are found in the dross section of a tree
- 8. a plant’s response to seasonal changes in the length of day and night
- 10. if a plant is ____ it has xylem and phloem vessels
- 12. the part of the stamen where the pollen is
- 14. a response to gravity by a plant
- 17. the part of a woody plant that is active xylem layers
- 18. all plants are ___, which means they can produce their own food
- 20. an example of ___ reproduction is bugging
- 22. the energy that powers photosynthesis comes from the ___
- 23. angiosperms with only one seed leaf or cotyledon are called ____
- 25. at the tip of the sporophyte , this structure will grow and it will contain the spores
- 26. nonvascular plants grow low to the ground and have ___ cell walls to pass water and nutrients cell to cell
- 27. cone-bearing plants are ____
- 30. a group of cells that work together make a ____
- 32. these on a root help a plant absorb nutrients and water
- 33. plant cell walls contain a rigid material called ____
- 34. monocots have petals in multiples of ___
- 36. angiosperms with 2 seed leaves or cotyledons are called this
- 39. plants that live and flower for more than 2 years
- 41. monocots have veins in their leaves that run ___ to each other
- 44. the period when a plant’s growth and activity stops
- 45. the dense inner part of a woody plant that is inactive