What is the difference between direct and indirect development?
Direct development |
Indirect development |
In this the embryo develops into a mature individual without involving a larval stage. |
Indirect development encompasses a larval stage that undergoes a metamorphic transition into a juvenile. |
Metamorphosis is absent. |
Metamorphosis is present. |
It occurs in fishes, reptiles, birds, and mammals |
It occurs in most of the invertebrates and amphibians. |