What type of development observed in animals in the juvenile period is characterized by the following signs:
1) The organisms that emerged from the egg membranes or newborns differ from the adult forms mainly in size, as well as in the underdevelopment of a number of organs and body proportions.
2) An organism is born that can resemble or be completely similar to adult life forms. These animals may not only lack or be underdeveloped organs necessary in a sexually mature state, but there are many temporary organs that function only in the juvenile period.
1) Direct development 2) Indirect development.
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