Answer : A model that helps explain the results of Mendel's crosses is called a (Punnett square).
Ss would represent the hybrid. Pure genes are PP hybrid would would be Pp
Yes, the taiga ecosystem is home to evergreens. The taiga system is a slightly warmer ecosystem then Tundra. You kind find a lot of taiga in Canada and Parts of Europe.
I hope this helps!
~kaikers