Answer:
4. The phrase "survival of the fittest" is not accurate in terms of Darwin because it refers to strong organisms, which is not necessarily the case in terms of survival through genetic traits.
5. The interactions between individuals and their environment is what determines whether their genetic information will be passed on or not. This is why natural selection acts on phenotypes instead of genotypes. A phenotype is an organism's physical traits, while a genotype is an organism's genetic makeup.
6. They did not have limited resources, always have food, etc. The environment didn't have enough change.
