Answer:
Must be spread through human actions alone
Explanation:
Cause it's the only one that isn't true.
Answer:
Sure grass. And there is a lot of grass. Compete with wild horses, wild pigs, wild goats, wild "golfer's who are way off the fairway. Wild deer are in the forests, wild goats in the hills so buffalo and horses manage the plains and the back nine. So much grass there was no competition...with the wild rabbits. Grass continues to grow. The buffalo move to greener pastures once they mowed down the other fields. When there were Millions of them, they were not starving.
Explanation: Got this from somewhere hoping it helps!
Fish,hawk,sparrow and heron
1. The virus attaches itself to a host cell
2. The virus inserts its nucleic acid into the host cell
3. The virus nucleic takes over the host cell and makes virus parts
4. The cell creates more viruses
5. The cell bursts, releasing the new viruses
