Phras unique to a particular language are called

answer; i believe the correct answer is (anemia);

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.

the answer is 100% density i've answered this question before and done the quiz myself.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.