1. because eventually the grass/food they are eating will loose its nutrients from eating it all the time and they need to migrate to find better food
2. the weather
3. their predators may migrate to the place they are and they need to migrate in order to have a better chance of survival
hope this helps these are just some reasons just ask if you need anymore
Fungi is an example of a decomposer.
The scientist that was the first to use the telescope in astronomy was Newton
The right answer is high number of offspring produced. asexual reproduction only requires on orgainism and creates an identical copy leaving no room for an increase of intelligence. plus it creates much more offspring and more often than sexual reproduction.
