How does the environmental change affect the survival of species ?

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.

Speed of light

Explanation:

you can measure only the speed of light in numbers. the others can't be measured in numbers.