Everything is laid out really beautifully and we can see this whole process. It makes it really easy to figure out what is going on. |
They don't do much but find food, eat and reproduce. |
This is the basis of sexual reproduction-the ability of chromosomes to pair up and divide. |
This worm goes from being an embryo to having its own embryos in three days. Even a fruit fly takes 14 days to complete the same cycle. |