Answer:
D. climax communities
Explanation:
The climax communities are the communities that have reached equilibrium. This basically means that there's the optimal number of species of flora and fauna, as well as the optimal populations of them in the ecosystem. They all interact and are perfectly adapted to coexist, benefit from one another, and balance the usage of food sources with its renewing. This type of communities appear at places where there has been no disturbances for quite some time, so the species lving there managed to create a perfect balance.
The mainstay of treatment for testicular cancer is chemotherapy. This is to eradicate malignant cells in the testicle. As a consequence, the patient can be sterile as the chemotherapy also attacks healthy living sperm. Since the patient wants to build a family, he should store his sperm and get it preserved by cryopreservation before the treatment is started.
the answer is B. the elements atomic number tells u how many protons and electrons are in an atom
The most important trait that modern fish had developed was the transformation of their skeleton from cartilage to bones.<span> This was called </span><span>ossification. </span><span>Eventually, bony fishes and sharks dominated the waters because their body structure development which helped them as swimmers is advanced compared to earlier fishes. </span>