Why is biomass at the second trophic level in most ecosystems not as great as biomass at the first trophic level?

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

The cluster of developing cells from conception until birth is called an

Describe the trends in electron configuration in the periodic table by selecting the terms from the drop down menus