The answer is C because it is takeing away part of its habitat which would make it's carrying capacity lower which means they cannot have as big of a population.
They use both there really isnt a big difference
Enzymes are proteins that behave as biological catalysts. They need to have a very specific three-dimensional shape in order for the reaction to occur. If the three-dimensional shape is not formed correctly then the chemical reaction, that is supposed to be promoted by the enzyme, may not occur.
One of the functions is genetic information and DNA. Nuclei acids are the molecules that carry the genetic information.
Because the race doesn’t really have a defined meaning it’s more of a social thing to mean where are you come from and it’s really used to divide people who genetically aren’t divided??