Question

what is metamorphosis? name the three stages in the life cycle of a frog

Answer 1

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Metamorphosis is a  biological processe by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure through cell growth and differentiation Metamorphosis is idothyronine-induced and an ancestral feature of all chordates.1__Some insects, fishes, amphibians, mollusks, crustaceans, cnidarians, echinoderms, and tunicates undergo metamorphosis, which is often accompanied by a change of nutrition source or behaviour. Animals that go through metamorphosis are called metamorphoses.(citation needed)Animals can be divided into species that undergo complete metamorphosis ("holometaboly"), incomplete metamorphosis.

("hemimetaboly"), or no metamorphosis ("ametaboly").

Scientific usage of the term is technically precise, and it is not applied to general aspects of cell growth, including rapid growth spurts. References to "metamorphosis" in mammals are imprecise and only colloquial, but historically idealist ideas of transformation and monadology, as in Goethe's metamorphosis of Plants, have influenced the development of ideas of evolution.
The life cycle of a frog consists of three stages: egg, larva, and adult. As the froggrows it moves through these stages in a process known as metamorphosis. ... During metamorphosis, two hormones (prolactin and thyroxine) control the transformation from egg to lurva and adult.



 

Answer 2

Answer:

There are four stages in the metamorphosis of butterflies and moths: egg, larva, pupa, and adult.

Egg. Eggs are laid on plants by the adultfemale butterfly. ...

Caterpillar: The Feeding Stage. The next stage is the larva. ...

Pupa: The Transition Stage. ...

Adult: The Reproductive Stage.