Question 5
What is the difference between direct and indirect development?
Direct development | Indirect development | ||
It is a type of development in which an embryo develops into a mature individual without involving a larval stage. | 1. | It is a type of development that involves a sexually-immature larval stage, having different food requirements than adults. | |
Metamorphosis is absent. | 2. | Metamorphosis involving development of larva to a sexually-mature adult is present. | |
It occurs in fishes, reptiles, birds, and mammals. | 3. | It occurs in most of the invertebrates and amphibians. | |
