All but one term decides a type of natural selection selection is not a type of natural selection directional disruptive disruptive distributed stabilizing

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

answer; ///(b) it is composed of four protein chains and four heme groups;