The amount of energy, or biomass, at each trophic level decreases as it moves through an ecosystem. As little as 10% of the energy at any trophic level is transferred to the next level. The rest of ...

Conodonts are among the first vertebrates to have evolved mineralized tooth-like structures. Among these, the so-called P₁ elements are known to have been used to break down food and display a wide ...

This is a preview. Log in through your library . Abstract 1. Body size determines rates of respiration and production, energy requirements, mortality rates, patterns of predation and vulnerability to ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

(Beyond Pesticides, January 28, 2020) In more bad news from the insect world, recent research reveals a precipitous decline in numbers of mayflies in territories where they have been historically ...