A hypothesis MUST be testable.
The came too fast.
During the 20th century the canal water efforts to create major changes in South Florida landscape. The leeve-canal in Evergrade failed to improve the wetland habitat, a canal was constructed to drain and reclaim the wetlands.
Viruses lack the properties of living things:
1. They have no energy metabolism
2. They do not grow
3. They do not respond to stimuli
4. They do not reproduce independently- they have to replicate by invading living cells.
Answer:
hereditary variat on selection is made of those genetic variats that well be passed on most effectively to the following generation