Extinction is a natural process, it is necessary for evolution and adaptation as the world changes. The problem is the rate at which we are causing it. We have caused species to go extinct. Why is this a problem?

i might be wrong but i think its a. let me know if i’m right and have a good rest of your day!

c. is the correct answer

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.