well 69% of insects are internal and 66% external but that only includes known species glad i could help can you email me back on notarealemailadress@trollololl.com.au for more questions you have on...
the mosquito! have a external fertilization ,by its mother mosquito it bite some people and get a blood and it will produce some eggcells to do a young.......
These terms are fairly intuitive. External means outside. Internal means inside. Fertilization occurs when the male gamete (sperm) meets the female gamete (egg). External fertilization is...
Most species of fish lay eggs. They use both internal and external fertilisation. There are some where the eggs are retained in the mother until they hatch. There are also some fish which are...