Answer:
The correct option is <em>B) Some wolves may have had variants in their digestion that allowed them to eat wheat, rice, barley, corn, and potatoes and so were able to survive with humans.</em>
Explanation:
Organism of a population might have genetic variations in them due to many reasons. The species of a population which are better adapted to live in a particular area are able to survive and produce more offsprings. As a result, that particular area increases in that genetic variant.
In the above scenario, some of the wolves had variants in their digestion which made them better adapted to live with the humans as they could eat wheat, rice etc. The wolves which did not have variants in their digestion couldn't survive in the human areas.
Answer:
Fossil is the name that is used for the trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock.
Explanation:
Fossils are the remaining parts of the organism's body which lives in ancient times and now they are extinct. Extinct means they are no longer the part of our earth or there is no specie of their kind. Fossil is only be found when the dead bodies of animals buried quickly so the chances of their complete decomposition is less and people will get it during digging after long time.
Answer:
The Kyoto Protocol, a landmark environmental treaty that was adopted in 1997 at the COP 3 in Japan, represents the first time nations agreed to legally mandated, country-specific emissions reduction targets.
Explanation:
https://en.m.wikipedia.org/wiki/Kyoto_Protocol
the article where I got the info from, hope this helps