Answer:
Endangered
Explanation:
Endangered species are organisms that are at risk of extinction if deliberate efforts are not made to conserve them due to a rapid decrease in their population.
<em>Hence, if a marine biologist writes an article about saving whales and labels them as </em><em>endangered species</em><em>, all efforts should be geared towards saving the animals lest they go extinct and leave a vacuum in the functioning of the ecosystem. Every species have the critical roles they play in the functioning of the ecosystem and the extinction of any particular species represents a loss that might not be replaceable. </em>
The correct answer choice is answer B.) The fossil record provides evidence of a common ancestor to many species. Hope this helped!
They are made up of nitrogen bases,sugars,and a phosphate group
Answer:
No harm upon ecosystems or the environment, prevention of any harmful contributions to air, water and land pollution.
