Which of these is a major trend in land plant evolution?
A) the trend toward smaller size
B) the trend toward a gametophyte-dominated life cycle
C) the trend toward a sporophyte-dominated life cycle
D) the trend toward larger gametophytes

Respuesta :

The correct answer is C. e trend toward a sporophyte-dominated life cycle

A major trend in land plant evolution is - C) the trend toward a sporophyte-dominated life cycle.

The evolution of land plants from their freshwater ancestors involved many major innovations, most of which are adaptations to survival in habitat change.

  • Chlorophyta is a green alga considered as the ancestors of land plants, have a dominant gametophyte and greatly reduced sporophyte.
  • bryophytes considered as a link between algae and land plants developed the gametophyte-dominant phase of the life cycle
  • vascular plants have developed the sporophyte-dominant phase
  • A major trend in plant evolution has been the increasing dominance of the sporophyte.

Thus, a major trend in land plant evolution is - C) the trend toward a sporophyte-dominated life cycle.

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