A. they arose out of Africa less than 200,00 years ago
If a root cap was damaged, it might start to negatively affect the plant by causing it to grow randomly, not exceed to its usual uses, and more. For understanding, the root cap protects the growing in other plants such as their tips. If this is damaged, it can cause the plants to form differently or damaged as well.
<span>A grassland is a biome having predominantly grasses, and some woody shrubs, instead of trees and forests. So, Yes they do.</span>
I believe the last option is the correct one for the illustration of the single celled organism provides and the environment that it is found living in.