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___________ on an angiosperm give the flower its colors.

___________ on an angiosperm give the flower its colors. Petals. _____________ are a group of angiosperms that have a petal arrangement in 4’s or 5’s and have two seedling leaves. Dicotyledons. ___________ is the plant hormone that causes ripening. . Ethylene.

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___________ on an angiosperm give the flower its colors.

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  1. ___________ on an angiosperm give the flower its colors. Petals

  2. _____________ are a group of angiosperms that have a petal arrangement in 4’s or 5’s and have two seedling leaves. Dicotyledons

  3. ___________ is the plant hormone that causes ripening. Ethylene

  4. The ________ cap is the protective covering of the underground apical meristem root

  5. Vascular means “_________”. vessel

  6. What are the buds called that are at the tip of stems and branches? terminal

  7. What are the dumbbell shaped cells flanking the stomata called? guard cells

  8. __________ are a group of plant hormones that cause stem elongation by increasing mitotic division and accumulating on the shaded side of the stem. Auxins

  9. The ___________ is that part of a flower that protects the ovum and is made up of sepals. calyx

  10. __________ tissue makes up the xylem and phloem. Vascular

  11. The ___________ is the female part of an angiosperm that the pollen grain lands on stigma

  12. Mosses, liverworts, and hornworts are in a group of plants called ______________. bryophytes

  13. How many Phyla of plants are non - vascular? 3

  14. What is the name of a shoot that bends to the ground or that grows horizontally above the ground and produces roots and shoots? runners

  15. In phloem, each sieve tube member is associated with a _______________ cell. companion

  16. The most abundant “seedless” vascular plants on earth are ________. ferns

  17. Angiosperms have given man medicine, building materials, clothing, and ______. food

  18. _________ transports water and minerals through the plant. Xylem

  19. Plants that have leaves that fall off seasonally leaving the plant bare are called ________________. deciduous

  20. Mosses have colorless projections called ______________ that anchor them to the substrate. rhizoids

  21. _________________ are the small leaf-like structures of a moss that are arranged spirally or alternately around a stem-like axis. Gametophytes

  22. What are the buds along the stem or branch (NOT at the tips) called? axillary

  23. Bark is a result of ______________ growth. secondary

  24. ___________ have just one leaf arising in its shoot system. They also have a parallel vein arrangement in their leaves. Monocotyledons

  25. Modified leaves on a plant such as on the cactus are called spines

  26. __________ transports sugars through a plant. Phloem

  27. Angiosperms that take 2 years to run through their life cycles are called ________________. biennial

  28. Growth that occurs at the tips of plants due to cell division is considered ___________ growth primary

  29. The leaves on ferns are called fronds

  30. What is the wood that is near the center of a tree trunk called heartwood or sapwood

  31. Once the flower has blossomed, the whole plant stops doing what? growing

  32. Oaks, hickory, and elms are examples of trees that are considered __________ hardwoods

  33. ______________ are a group of hormones that cause “bolting” or rapid vertical growth. Gibberellins

  34. ________________ is the movement of a plant towards the light source. Phototropism

  35. Modified branches that are pointed (sharp) for defense are called ___________. thorns

  36. _____________ growth is the increase in the diameter of the plants stem/trunk. Secondary

  37. In the Arctic, _______________________ are the most abundant plants. mosses

  38. What is the twisting, threadlike structure by which a twining plant, such as a grape or cucumber, grasps an object with called? tendrils

  39. A wallflower has 4 petals, which means it is a _____________. dicot

  40. “Naked seed” plants that are non-flowering, such as conifers are called ________________. gymnosperms

  41. ______________ is the movement of a plant due to the earth’s influence. It causes roots to grow downwards and shoots to grow upwards. Gravitropism

  42. _______________ is the release of water vapor out the stomata. Transpiration

  43. The exhibiting behaviors of plants based on daylight and darkness is a tropism referred to as _________________. Photoperiodism

  44. _____________, or flowering plants, have protected (enclosed) ovaries or ovules. Angiosperms

  45. The __________ is the flattened portion of the leaf, which increases surface area for photosynthesis blade

  46. Which type of cells, that makes up ground tissue, provides support for plant organs? collenchyma

  47. ________________ acid induces aging and is made in green leaves. It causes leaves to begin changing colors and induces the formation of winter buds. Abscisic

  48. Flowers that go through their entire life cycle in 1 year by growing, reproducing, and dying, are called _____________. annuals

  49. Cycads, ginkos, __________, and gnetophytes make up the four groups of gymnosperms conifers

  50. When pollen lands on the stigma, it stimulates the formation of the ________ _______ which carries the gametes to the ovaries. pollen tube

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