Metagenesis (Noun)
Meaning
Alternation of sexual and asexual generations.
Classification
Nouns denoting natural phenomena.
Examples
- Metagenesis is often observed in certain protozoa, where the alternating generations exhibit distinct morphological and physiological characteristics.
- In some species of rotifers, metagenesis occurs through a process involving both fertilization and parthenogenesis.
- The pattern of metagenesis in certain cnidarians involves the alternation between a medusa and a polyp stage, with each stage displaying unique characteristics.
- Certain species of hydras exhibit metagenesis, where the sexual and asexual generations are distinct and precisely timed.
- Some researchers have studied the phenomenon of metagenesis in aphids, where the alternation between sexual and asexual generations is influenced by environmental factors.