<em> </em><em>It should be Cataracts that block</em>
<em>transmission of light into the eye(A)</em>
Explanation: It should be A because Cataracts can affect your color vision it makes some of the hues a little faded and it makes it into a different color.
Let me know if this helps
Lazzaro Spallanzani's experiment is a good example of creativity, because he designed the experiment and found a new way to explore gastric juices. So...
Lazzaro Spallanzani, an Italian biologist and physicologist, was the first scientist to dissect animals for digestion trials.
He used the animals as models for humans digestive system, designed the experiment, and was the first to interpret the process of digestion.
I hope that helped ^_^
In natural selection, genotype variations that will increase the chance of survival and reproduction of some organism are preserved and will be inherited. If there is no variation, then all individuals have the same chance to survive and nothing will be particularly selected.
