Used specifically in a biological or scientific context referring to early life stages. Marine biologists observe larval fish to study developmental changes.
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Temporary Phase
Implies a temporary phase that an organism undergoes before reaching its adult form. The tadpole is a frog's larval form.
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Metamorphosis
Often associated with the process of metamorphosis in insects or amphibians. The caterpillar's transformation during the larval stage is fascinating.