Answer:
Africans passed down their history orally instead of writing it down.
Explanation:
Many African tribes never developed a system of writing on their own, so it was passed down orally.
Answer:
Symbiosis is any type of long-term interaction between two different organisms that live in close physical association.
Explanation:
There are three different types of symbiotic relationships: mutualism, commensalism, and parasitism.
Mutualism: both partners benefit.
Commensalism: only one species benefits while the other is neither helped nor harmed.
Parasitism: One organism (the parasite) gains, while the other (the host) suffers.
