In the evolution of the seed, the megasporangium became protected by one or more layers called:
Show answer and explanation
Correct answer: Integuments
Integuments are protective envelopes that surround the megasporangium (nucellus). The evolution of these layers provided the physical protection and physiological support necessary for the developing embryo.
Keep practicing
More Evolution of Seeds questions
- Which of the following describes the 'Seed Habit'?
- The fossil plant genus 'Elkinsia' is significant in paleobotany because it represents:
- What is the evolutionary significance of the 'pollen tube' in Phanerogams?
- In the evolution of the ovule, the 'micropyle' serves what primary purpose?
- The transition from a megaspore-dispersing ancestor to a seed-bearing plant involved the reduction of the number of functional megaspores p…
- Which group of extinct plants is often referred to as 'Pteridosperms'?