Chapter 23 – Seed Plants: Angiosperms
27. Pollen grains adhere to the _____ of the flower.
28. A monoecious plant
29. The ovary of the flower matures into a(an)
Chapter 23 – Seed Plants: Angiosperms
30. Based on fossils and evidence from genetics, morphology and development and other
features of flowering plants, botanists hypothesize that the first flowering plants had
__________________.
31. Which of the following is considered to be a specialization characteristic of advanced
(more highly evolved) flowering plants?
Chapter 23 – Seed Plants: Angiosperms
32. A flower that can be split vertically through its axis into two equal halves but has unequal
halves if split in any other way is said to be/have
33. _____________________ species have imperfect (unisexual) flowers on the same plant.
Chapter 23 – Seed Plants: Angiosperms
34. Trends in evolutionary specialization include ______________ in both monocots and
dicots.
35. Flowers that are pollinated by beetles tend to
Chapter 23 – Seed Plants: Angiosperms
36. Which of the following is NOT a structure or event associated with orchids and their
pollination?
37. Which of the following pollinators rely more on vision than on smell in seeking floral
energy sources?
Chapter 23 – Seed Plants: Angiosperms
38. The _____ are the most successful group of plants on the earth today, and they are also the
most important economically.
39. Flowers with well-developed landing platforms and nectar guides would probably be
pollinated by
Chapter 23 – Seed Plants: Angiosperms
40. A flower with dull green petals, copious amounts of pollen, and long styles with feathery
stigmas would be pollinated by
41. Botanists preserve plants for future reference and study as part of the research collection
in a/an ______________.
Chapter 23 – Seed Plants: Angiosperms
42. Plants that have been preserved in herbaria as part of a research collection may have a
useful lifespan as long as ____________________.
True / False Questions
43. Herbarium is another name for a greenhouse.
44. The diversity and number of species of angiosperms is due, in part, to the partnership with
animals to aid in pollination and seed dispersal.
Chapter 23 – Seed Plants: Angiosperms
45. A compound pistil contains more than one carpel.
46. An ovary usually becomes a seed.
47. The outer part of an ovary wall is called the exine.
48. Bats and other mammals are pollinators of some flowers.
49. Double fusion (double fertilization) is found in ferns, conifers, and flowering plants.
50. Inferior ovaries are considered a characteristic of primitive flowers.
51. Endosperm is the principal food-storage tissue of all seeds.
52. Moth- and butterfly-pollinated flowers tend to have sweet fragrances.
Chapter 23 – Seed Plants: Angiosperms
53. Each microspore mother cell normally divides to form four pollen grains.
54. Flowering plants consists of about 150,000 species.
55. The modern view of angiosperm evolution is that they evolved independently from seed
ferns and not from the conifers.
56. Parthenocarpy involves fruits that develop from ovaries containing unfertilized eggs.
Chapter 23 – Seed Plants: Angiosperms
57. Each herbarium sheet consists of a pressed and dried plant of a given species mounted on
good quality paper. The scientific name and common name are the only information that
appear in the lower right corner.
58. Flies are attracted to blue or yellow flowers and to sweet fragrances as well as flowers that
look and smell like rotten meat..
59. Bird-pollinated flowers tend to be white or dull in color.