Gymnosperm Vocabulary

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Across
  1. 1. A seed is an embryonic plant enclosed in a protective outer covering.
  2. 4. the central part of an ovule, containing the embryo sac.
  3. 6. The Pinophyta, also known as Coniferophyta or Coniferae, or commonly as conifers, are a division of vascular land plants containing a single extant class, Pinopsida.
  4. 9. a plant that has seeds unprotected by an ovary or fruit. Gymnosperms include the conifers, cycads, and ginkgo.
  5. 11. Ginkgo is a genus of highly unusual non-flowering plants.
  6. 12. Cycads are seed plants with a long fossil history that were formerly more abundant and more diverse than they are today.
  7. 13. coat- the protective outer coat of a seed.
Down
  1. 2. having the male and female reproductive organs in separate individuals.
  2. 3. a sticky flammable organic substance, insoluble in water, exuded by some trees and other plants.
  3. 5. The integumentary system comprises the skin and its appendages acting to protect the body from various kinds of damage, such as loss of water or damages from outside.
  4. 7. grain- each of the microscopic particles, typically single cells, of which pollen is composed.
  5. 8. is a division of plants, grouped within the gymnosperms.
  6. 10. is a leaf that bears sporangia.