The correct options are as follows"
1.B.
Postzygotic isolation is a type of reproductive isolation which keeps species from mating with each other as a result of the differences that developed between them when they are separated by physical boundary. In the question given above, the lizard specie has been separated by the formation of a stream which divide the region into two.
2.B.
Allopatric speciation refers to the mode of speciation that occur when biological population of the same specie become isolated from each other to an extent that it interferes with genetic interchange. It usually occur as a result of change in the environment.
Answer:
C
Explanation:
I think it is C I hope this helps!
Answer:
amino acids
Explanation:
(if you are confused, I recommend watching the videos from Khan Academy and The Amoeba Sisters.)
A biotic factor is all of the students in the classroom.
Hope this helps!!
I think it’s B having second thoughts
