Peter and rosemary grant identified a new species of finch on the galapagos islands. this new species formed after a drought occurred on the island. how does this discovery shape our understanding in biology?
a
it shows that when environmental conditions change, populations change through use and disuse.

b
it shows that when environmental conditions change, populations change through natural selection.

c
it shows that when environmental conditions change, populations stay the same through use and disuse.

d
it shows that when environmental conditions change, populations stay the same through natural selection.

why is incineration preferred over landfills in many areas?
a
the energy produced by incineration can be used for electricity.

b
there is no pollution produced during incineration.

c
land designed for the use of incineration is cheap.

d
there is little solid waste to dispose of following incineration.