Answer:
D.) Stimulus is the correct answer.
Artificial Selection? I'm just guessing
I believe the answer is Gene splicing because they remove specific genes in order to create a transgenic organism.
I hope this helps!
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! :)
