The Gibraltar rock is a limestone, therefore it is a sedimentary rock. Sedimentary rocks are made by the dethronement and squeezing of small fragments.dimentary rock. It has sediments.
Answer:
i think it is the 3rd one
Answer:
It's 3!
Explanation:
There must be genetic differences so the best fitted organisms will survive. If they were all the same then no one would be best fitted and Natural Selection wouldn't be able to occur
It's not 1 because a food shortage isn't required, there's always competition for food sources
It's not 2 because there doesn't need to be a change in the environment for natural selection, just for evolution.
And it can't be 4 if 1 and 2 are wrong!
Hope this helped!
