Species have to adapt to environmental change, but this is something that doesn’t happen overnight! Weather is hotter but nights are cooler an animal living in these temperatures would probably be insects animals with thick coats of fur would not be able to live in those conditions unless their bodies change to it.
I think the answer is D Ellipitical galaxy
Relative dating is used to arrange geological events, and the rocks they leave behind, in a sequence. The method of reading the order is called stratigraphy (layers of rock are called strata). Relative dating does not provide actual numerical dates for the rocks.
The answer B. Chromosomes