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Angiosperms

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Questions and Answers

What is the supportive structure for the anther?

The filament.

What is the male gametophyte known as?

Pollen or microgametophyte.

What is the female gametophyte known as?

Ovule or megagametophyte.

What is the process called when the pollen grain enters the ovary and the egg cell combines with one of the sperm cells?

Fertilization. Signup and view all the answers

What are the two ancient and extinct plant groups that angiosperms are thought to have evolved from?

Pteridospermales and Cycadeoidales Signup and view all the answers

What are the three groups that angiosperms can be split up into, depending on the structure of their flowers?

bisexual or perfect flowers, unisexual or imperfect flowers (monoecious), unisexual or imperfect flowers (dioecious) Signup and view all the answers

What are the two stages of a plant's life cycle?

haploid stage and diploid stage Signup and view all the answers

What are angiosperms?

Angiosperms are flowering vascular plants that produce fruit after the seeds are fertilized in the flower structure. Signup and view all the answers

What is the significance of fruit in angiosperms?

Fruit serves as a vessel that holds the fertilized seeds and helps in their dispersal, protection, and housing during development. Signup and view all the answers

How many living species of angiosperms are there today?

There are over 300,000 living species of angiosperms today, categorized genetically into eight groups. Signup and view all the answers