Alternation Of Generations (Noun)
Meaning
The alternation of two or more different forms in the life cycle of a plant or animal.
Classification
Nouns denoting natural phenomena.
Examples
- The alternation of generations in plants refers to the life cycle that includes both a diploid and a haploid phase, often with distinct physical forms.
- In some species of jellyfish, the alternation of generations involves a free-swimming medusa stage and a sessile polyp stage.
- The alternation of generations in some fungi involves a haploid mycelium and a diploid fruiting body.
- In some species of algae, the alternation of generations involves a large diploid plant and a small haploid gametophyte.
- The alternation of generations in some species of aphids involves a winged adult and a wingless nymph.