Define biomass.

Heating biomass in a low oxygen environment represents …………………. .

Define ecological pyramids and describe with examples, pyramids of number and biomass.

In an open ocean, the biomass of primary producers (microscopic algae) is often lower than the biomass of higher trophic levels (zooplanktons and fish), as illustrated below by an inverted pyramid of biomass. How can there be enough food in an open ocean to support the higher trophic levels?

Although coal and petroleum are produced by degradation of biomass, yet we need to conserve them. Why?

Although coal and petroleum are produced by degradation of biomass, yet we need to conserve them. Why?

_________ is called fossil fuels as they are formed from the degradation of biomass buried deep under the earth.