Answer:
Female voices are higher, and male voices are deeper. This is caused by the vocal muscles being more contracted than the others during puberty. Hope this helped and have a wonderful day/night! :D
Answer: Mutualism
Explanation:
Mutualism is a symbiotic relationship in which both interacting species receives the benefit for togetherness.
In the given situation, the birds are receiving food in the form of ticks and the rhinoceros are receiving protection against the predatory blood sucking ticks.
Answer:
B
Explanation:
Some areas have more resources than others
The process of microsporogenesis
