In a trophic cascade, predators induce effects that cascade down the food chain and affect biomass of organisms at least two links away (Ricklefs 2008). Nelson Hairston, Frederick Smith and Larry ...

Pyramids can help give us an overall picture of a particular food chain. They can represent either numbers of a particular organism or their biomass, which is living tissue. A pyramid of numbers ...

A new study in the journal Freshwater Biology revealed the biomass (total mass of an organism ... and its habitat may be critical in the food chain. University of Missouri scientist Ray Semlitsch ...

Mosquitoes form an important source of biomass in the food chain—serving as food for fish as larvae and for birds, bats and frogs as adult flies—and some species are important pollinators.

Biologists have boosted the biomass of tobacco by around 40 per cent ... The team is now working trying to introduce the same changes into food crops, starting with cowpeas and soybeans.