Why is there less biomass at the top of the energy pyramid? I need an answer for this question plz help

What is the next step in the process after a substrate enters the active site of an enzyme

Drag the tiles to the correct boxes to complete the pairs. match each cell organelle with its description.

The us council on environmental quality, the world wildlife fund of the united states, the ecological society of america, the smithsonian institution, and the international union for the conservation of nature have proposed four principles of wildlife conservation. which of the following does not apply to wildlife conservation? a) continuous monitoring, analysis, and assessment b) ecosystem maintenance that includes wildlife c) a plan encompassing entire communities of organisms and all renewable resources d) a continued interest in harvesting populations for sport