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It is the part that has the least amount of energy in the trophic pyramid. An owl or skunk would be an example of this.
Extreme dessert and tundra
A biomass pyramid looks like an energy pyramid, in that the largest biomass is contained in the producer level, and the least biomass is contained in the level of the highest order consumer. Basically, as you move up the energy pyramid, there is less energy available to support the biomass at each subsequent level.
On an ecological pyramid or in a food chain, typically, the highest trophic levels have the least amount of energy from the sun available for the next highest level. In a typical food chain, this would be the tertiary consumer level.
tertiary consumers
A tropic level is the position that an organism occupies in the food chain. The trophic level that has the least biomass is trophic level 5, which is composed of apex predators.
the sun
Terrestrial ecosystems - in order, from most to least productive:1. Swamps, marshes, tropical rain forests (most productive)2. Temperate forest3. Northern coniferous forest (taiga)4. Savanna5. Agricultural land6. Woodland and shrubland7. Temperate grassland8. Tundra (arctic and alpine)9. Desert scrub10. Extreme desert (least productive)Aquatic ecosystems - in order, from most to least productive:1. Estuaries (most productive)2. Lakes and streams3. Continental shelf4. Open ocean (least productive)
It is the part that has the least amount of energy in the trophic pyramid. An owl or skunk would be an example of this.
3rd or 4th
Those at the top of the food pyramid contain consumers with the smallest number and therefore, with the least total biomass compared to the layers below them.
Ecosystems
Extreme dessert and tundra
A biomass pyramid looks like an energy pyramid, in that the largest biomass is contained in the producer level, and the least biomass is contained in the level of the highest order consumer. Basically, as you move up the energy pyramid, there is less energy available to support the biomass at each subsequent level.
aphotic zone
An example of an inverted numbers pyramid can be seen in a parasite-host relationship, where a single host may support a large population of parasites. In this case, the number of individuals in the higher trophic level (parasites) exceeds the number of individuals in the lower trophic level (host).
Plants are in the lowest trophic level of an ecosystem. Their level is the lowest because the needs of plants are the least complex compared to the other organisms present in an ecosystem.