If a species of creatures homes were destroyed like lets say humming bird for an example, they move into a colder habbitat in whch they are not used to, so some survive and some dont because of natural selection. The ones whom survived later inhearated thicker fur.
If you want more details look at finches variations of beaks accordng to their habbtat on google
Lowland areas are not very high above sea level. They are often flat. They tend to be formed of sedimentary rocks like sandstones and clays, and experience milder temperatures and less rainfall.
I'm unclear as to what the answer choices are so here is what I know on magnetic reversals.<span>
A change in the Earth's </span>magnetic<span> field resulting in the </span>magnetic<span> north being aligned with the geographic south, and the </span>magnetic<span> south being aligned with the geographic north. Also called geomagnetic</span>reversal<span>.
-Hope this helps! :D</span>
Answer: to me it's between C or D