Mitosis produces identical cells
Meiosis produces cells that are different from the original cell
The ostrich doesn't strictly live in one biome, while it is true that they live in a warmer, dryer climate most of the time. But they are also known to live in colder regions as well, they live a nomadic lifestyle, as long as they can find food and water they can live happily.
Hope this helps!
<span>Punnett square
Hope that helps you</span>