Alternation of generations

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Alternation of generations is a term that describes the life cycle of most plants and some algae. The term generations is misleading since it refers to two different phases that make up a single life cycle.

Embryo

Embryo, EHM bree oh, is an animal or plant in an early stage of its development. The embryo is formed by sexual reproduction when a male sperm cell… See more »

Sterility

Sterility, stuh RIHL uh tee, refers to the inability to reproduce. It applies to all forms of life, from microorganisms to higher plants, animals,… See more »

Fertilization

Fertilization, fur tuh luh ZAY shuhn, is the process by which male and female sex cells unite to form a new individual. It is the first step in… See more »

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Alternation of generations

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