The answer to this question would be: True
Fraternal twins are made from 2 different eggs and fertilized by two different sperm. That makes them just like 2 siblings since the genetic in their egg and sperm is different, not same. This can happen if there is two egg released by the womb at the same time.
No a rainforest has many different species of plants whyle in a cornfield there is only corn and very few other animals
The answer is A it occurs before DNA is copied.
There were more organisms born than resources can support.
And this led to struggles between organisms and later only the fittest animal survived :)