5. What is the difference between direct and indirect development?
The differences between direct and indirect development are as follows
Direct development | Indirect development |
In this development, an embryo develops into a young one without any intermediate larval stage. | In this development, an embryo develops into a young one with some intermediate larval stages. |
There is no metamorphosis. The young ones resemble the adults. | The larva undergoes metamorphosis and the young ones do not resemble the adult. |
Seen in fishes, reptiles, birds and mammals. | Seen in invertebrates and amphibians. |