The scientific theory of evolution states that populations change over time in response to changes in the enviroment
Salinity refers to the principal characteristic that determines whether an aquatic ecosystem is classified as marine or freshwater. It is the measure of all the salts dissolved in water.
Natural Selection is: <u>the process whereby organisms better adapted to their environment tend to survive and produce more offspring.</u>
An example of this is our appendix. We no longer use our appendix because food nowadays is softer than what our ancestors used to eat.
Our ancestors could quickly digest (through their appendix) tree barks because they ate them frequently versus now we don't even use them at all
B:Selection is your answer
Bison just like cows eat grass and are known as herbivores.
<h3>What are herbivores?</h3>
Herbivores are animals which eat grass or plants as their food.
Herbivores are primary consumers since they obtain their food from the primary producers, plants.
Examples of herbivores are cows, goats, and bisons.
Therefore, since bison eat grass just like cows, bosons are herbivores.
Learn more about herbivores at: brainly.com/question/1048752
