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The term larva also applies to young that resemble the adult form but differ from it in some substantial respect, as in possessing organs not present in the adult or in lacking an important structure (apart from sex glands and associated parts, which tend to develop later in life in most animals). Larvae in different animals have special names given to them, such as the tadpole of frogs, the ...
- Boris Ivan Balinsky
Jan 1, 1999 · Publisher Summary. This chapter presents an introduction to larval development, evolution and, ecology. The life history of many organisms includes a larval stage that is morphologically distinct from the adult's and/or that inhabits a different environment from the adult. The aquatic tadpole and the terrestrial frog are prime examples.
- Brian K. Hall, Marvalee H. Wake
- 1999
Jul 4, 2013 · Background A complex life cycle, such as complete metamorphosis, is a key innovation that can promote diversification of species. The evolution of a morphologically distinct larval stage is thought to have enabled insects to occupy broader ecological niches and become the most diverse metazoan taxon, yet the extent to which larval and adult morphologies can evolve independently remains unknown ...
- Alison K Lee, Christie C Sze, Elaine R Kim, Yuichiro Suzuki
- 2013
Oct 25, 2024 · The amphibian larva represents a morphologically distinct stage between the embryo and adult. The larva is a free-living embryo. It must find food, avoid predators, and participate in all other aspects of free-living existence while it completes its embryonic development and growth. Salamander and caecilian larvae are carnivorous, and they have ...
Larvae differ from conspecific juveniles and adults based on morphological, ecological, behav- ... that differs morphologically from the adult and often develops into the adult either gradually ...
Sep 21, 2019 · The term larva applies to the young hatchling which varies from the grown up adult in possessing organs not present in the adult such as sex glands and associated parts. Insect development is of four types namely Ametabolous, Paurometabolous, Hemimetabolous and Holometabolous. The larvae appear in variety of forms and are termed as caterpillars, grubs or maggots in different insects groups ...
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For providing more precise reference how the term larva is applied in a specific context, I outline here different criteria that have been used to identify an immature as a larva. These include larvae that (a) differ morphologically from their adult (morpho-larva s. l.); (b) differ morphologically from their adult and additionally possess ...
