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semelparous การใช้

ประโยคมือถือ
  • "Eryngium ombrophilum " is a perennial semelparous herb.
  • "Cactoblastis cactorum " shows both semelparous reproduction.
  • The slug is semelparous, dying 15 to 30 days after laying eggs.
  • Semelparous animals spawn once only in their lifetime.
  • Plants that flower and fruit only once and then die are termed monocarpic or semelparous.
  • The delta smelt is semelparous, living one year and dying after its first spawning.
  • Giant Pacific Octopuses are semelparous; they are characterized by a single reproductive episode before death.
  • Biennial plants ( living two years and reproducing in the second ) are also considered semelparous.
  • Each plant is semelparous, meaning that it flowers only once, dying after its fruits mature.
  • An annual is a plant that completes its life cycle in a single season, and is usually semelparous.
  • "Erpobdella obscura " have semelparous life history, i . e ., they die after reproduction.
  • However, it is clear in this case that the moth is closer to the semelparous side of the scale.
  • In this particular case, the moth also has high adult mortality rates which tend to push organisms towards semelparous reproduction.
  • A species is semelparous if its individuals spawn only once in their lifetime, and iteroparous if its individuals spawn more than once.
  • Many organisms considered to be semelparous can, under certain conditions, separate their single bout of reproduction into two or more episodes.
  • It remains unclear whether these deposits represent post-mating mass death events, as are common among modern cephalopods and other semelparous creatures.
  • This programmed senescence is " characterized by immunosuppression and organ deterioration . " The Pacific salmon is the classic example of a semelparous animal.
  • Fishes can be iteroparous, and spawn more than once, but there are some who only spawn once before death, known as semelparous.
  • The males die after their first breeding season, and the species holds the world record for being the world's smallest semelparous mammal.
  • At least one species, " Coryphaenoides armatus ", is thought to be semelparous; that is, the adults die after spawning.
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