Nucleic acids / aka nucleotides
<span>Grazers are basically animals that eat plants from the ground so an adaptation to prolong their life would be bitter taste, meaning the answer is D. bitter taste. That is because if animals eat them they see that they are bitter and they don't like it and they don't want to eat them so plants in savannas keep existing this way.</span>
<span>The kind of symbiotic relationship between Dori and Marlin is mutualism. This kind of relationship is where two different organisms exist together and they benefit one another. Some other examples include pollination. Lastly, some of these interaction play a key role in terrestrial ecosystems. </span>