Question

What are the limits to natural selection?

Answer 1

1.a change in environmental conditions , which can lead to such an adaption only for genetic trials already present in a populations genepool , or for traits resulting from mutations

2.heredity

3.Reproduction

variations in physical characters

Answer 2

variation The most obvious limit to natural selection is that suitable variation may not be available. This may be because certain phenotypes cannot be built, being ruled out either by physical law or by the properties of biological materials.