Answer: B. species A and species B can no longer exchange genes.
Explanation:
Geographic isolation is a kind of reproductive isolation in which the organisms of the same species are separated by a geographical barrier like flood, river and others. The separated members of the same species are unable to copulate and they develop new traits according to the new environment. This leads to formation of new species and the process is called as speciation.
According to the given situation, the two species A and B are geographically separated thus they will not be able to exchange their genetic materials due to geographical barriers.
The answer would be D. One of the main reasons for Antarctica's dryness is its lack of precipitation.
he lead his ship to mexico so i would say yes a good leader
Answer:
3x+y=45......equation 1
x-y=20......equation 2
Explanation:
There are now two equations, solve them using elimination or substitution method
I'm not 100% sure this is correct but this is the way I had learned.
It's called the Social Security Trust Fund, and it's typically taken directly from wages. If you ever get a job, on your pay stub there will be a deduction that's usually just called "SOCIAL SECURITY". So, largely payroll taxes.