How do the temperature and pressure most likely differ at the top of a seamount and the bottom of a trench?

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

Aquaternary consumer species would be expected to have a smaller population than a secondary consumer species. select the best answer from the choices provided t f