Answer:
A
Explanation:
.............................spermatophytes...........................
Although now it causes more harm than good because it doesn't really have a purpose, it is believed it once was used for humans to digest bone.
My best guess would be C because when you split something up the mix’s of animals decreases and it would be a disturbance
It depends on which virus you are referring to specifically. Viruses come in many shapes and types; their variations are tremendous.
For HIV and Influenza, viruses acquire their envelops after maturation, during the budding off or detachment stage from the host cell.
Hope this helps! :)