Review the images of the two biomes, the tundra and the taiga. Notice that while there are about 1,700 kinds of plants, there are virtually no tree species in the tundra. Which limiting factor prevents the immigration of tree species into the tundra?

Question

A rocky, poor soilrocky, poor soil
B very short growing seasonvery short growing season
C the presence of permafrostthe presence of permafrost
D winters are six months longwinters are six months long

Answer 1

C the presence of permafrost