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HomeHomework HelpbiologyPlant Life Cycle

Plant Life Cycle

The plant life cycle, characterized by alternation of generations, refers to the reproductive cycle in which a multicellular diploid phase (sporophyte) alternates with a multicellular haploid phase (gametophyte), each capable of producing the other through meiosis and fertilization. This process allows for genetic diversity and adaptation in various environments.

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Biology
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Overview

The plant life cycle is a fascinating process that involves the alternation of generations, where plants transition between two distinct stages: the sporophyte and the gametophyte. The sporophyte is the diploid stage that produces spores, while the gametophyte is the haploid stage that produces game...

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Key Terms

Sporophyte
The diploid phase of the plant life cycle that produces spores.

Example: In ferns, the sporophyte is the leafy plant we see.

Gametophyte
The haploid phase that produces gametes (sperm and eggs).

Example: Mosses primarily exist in the gametophyte stage.

Meiosis
A type of cell division that reduces the chromosome number by half.

Example: Meiosis occurs in the formation of pollen and ovules.

Fertilization
The fusion of male and female gametes to form a zygote.

Example: Fertilization in plants leads to the development of seeds.

Zygote
The fertilized egg that develops into a new organism.

Example: The zygote eventually grows into a new sporophyte.

Spore
A reproductive cell that can develop into a new organism.

Example: Ferns reproduce using spores instead of seeds.

Related Topics

Photosynthesis
The process by which plants convert sunlight into energy, essential for growth.
intermediate
Plant Reproduction
Explores various methods of plant reproduction, including sexual and asexual.
intermediate
Plant Genetics
Focuses on the genetic principles that govern plant traits and inheritance.
advanced

Key Concepts

SporophyteGametophyteMeiosisFertilization