I would say that the fishes exhibited the greatest diversity (though the brachiopods also had considerable diversity) and mostly were of the ostracoderms (with a platey or shell-like skin and no jawbone) which exhibited many varieties and also the placoderm which had gills, a jawbone and fins so was developing characteristics of modern fish.
I’m not sure I’m probably rlly wrong but I think the answer is E
There are several mutations that benefit the organism.A well known example is the antibiotic resistance developed by bacteria, which aid in their survival even when they are exposed to a given antibiotic. A single gene mutation in wild almond trees resulted in a variety that no longer synthesizes amygdalin.
The statement 'when paired with an immunosuppressant drug, saccharine (sugar) did not have immunosuppressant effects on rats' is FALSE. Saccharine is an artificial sweetener.
<h3>Immunosuppressant drugs and saccharine</h3>
Immunosuppressant drugs are a type of drug that exhibits a depressive effect o the immune system of the individual.
Immunosuppressant drugs include, for example, adalimumab, infliximab, calcineurin inhibitors, cyclosporine, etc.
Moreover, saccharin is an artificial sweetener that is 400 times as sweet as sucrose (sugar).
Learn more about immunosuppressant drugs here:
brainly.com/question/830058
