... little wrong on the origin of metamorphosis. However, he stated that the law ...way. He correctly says that insect metamorphosis doesn't follow Haekel's theory...a dragonfly, I think. Dragonflies undergo metamorphosis, but it is not considered complete...that undergo what is called a partial metamorphosis. The evolution of insect metamorphosis was a problem that bothered me for a long time. ...

...>, Lorentz <drosen0000@yahoo.com> wrote: I forgot the more recent references where this was stated. But for fun, read Darwin carefully. He was a little wrong on the origin of metamorphosis. However, he stated that the law of ontogeny and recapitulation was wrong in the case of insect larva. Didn't Darwin also suggest the possibility that the wings of insects were adapted gills? ...

... egg --> fertile adult _or anything else_. Given just the ONE, VALID, EMPIRICAL Darwinian reproductive cycle of nature within evolutionary theory, anything that happens in-between including metamorphosis or the death of one entire infertile organism can only represent a part of one fertile parental form. Therefor any infertile developmental stage _remains at all times_ under the control...

... but could not do the metamorphosis. Evidence? There are many winged ... do not undergo a total metamorphosis. Such insects include locusts, cockroaches ... of insects that undergo total metamorphosis. Further evidence? All insects that...The common ancestor of full metamorphosis insect had wings at least...or 'programmed cell death'. Insect metamorphosis is an extreme example, since...

..., but could not do the metamorphosis. Evidence? There are many winged insects ...but do not undergo a total metamorphosis. Such insects include locusts, cockroaches (... do not do a total metamorphosis have fossil precursors that precede ... of insects that undergo total metamorphosis. Further evidence? All insects that .... The common ancestor of full metamorphosis insect had wings at least ...

... (insects, etc.) which undergo holometabolism-type metamorphosis, with cell death (histolysis) and regeneration ... currently does not undergo this sort of metamorphosis at all, but through some mutation just...against their own interests. A holometabolism-type metamorphosis is just one of many possible ... that code for the holometabolism-type metamorphosis you refer to, increased their TDF, ...

pineapple.link@yahoo.com wrote: Now, let's take a prehistoric caterpillar which currently does not undergo this sort of metamorphosis at all, but through some mutation just acquires the very first step in the chain - the ability to transform its body into a gelatinous mass and die (it "dies" because it has not yet evolved the ability to further transform itself into a butterfly...

... concerns organisms (insects, etc.) which undergo holometabolism-type metamorphosis, with cell death (histolysis) and regeneration (histogenisis). The ... caterpillar which currently does not undergo this sort of metamorphosis at all, but through some mutation just acquires the very...no longer reproducing at the point it hits this primitive metamorphosis (it is dead), so assuming that this is a ...

...> brings me to my first question. I was recently on answers.yahoo and someone asked about the origin of metamorphosis. I realized that in this area I hadn't a clue as to the evolutionary origin of metamorphosis in insects and other invertebrates. If anyone would be willing to espouse knowledge on the subject please by all means...

...> brings me to my first question. I was recently on answers.yahoo and someone asked about the origin of metamorphosis. I realized that in this area I hadn't a clue as to the evolutionary origin of metamorphosis in insects and other invertebrates. If anyone would be willing to espouse knowledge on the subject please by all means...