4th order consumer 3rd order consumer
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.
In a typical food chain, the sunflower beetle, being an herbivore, occupies the second trophic level, feeding on plants (producers). The mouse, which can be omnivorous, usually occupies the third trophic level as it consumes both plants and smaller animals. Therefore, the sunflower beetle is at the second level, and the mouse is at the third, indicating a common food chain structure with at least three trophic levels: producers, primary consumers (like the beetle), and secondary consumers (like the mouse).
4
The top level, which consists of tertiary consumers, contains the least energy in the energy pyramid because energy is lost as heat as it moves up the trophic levels.
The organism that has the least energy in the food chain is... well it depends because the ferther you go up in the tropic level the less energy you have. every time you go up you lose 10% of the energy.
As consumers (chemoheterotrophs), animals cannot produce their own food. Any lost link in the food chain prevents the organisms above that point from surviving, at least in their current position on the chain.
Tertiary consumers receive the least amount of available energy because energy is lost as it moves up the food chain. Each trophic level only retains about 10% of the energy from the level below it.
Shouldn't a producer and a herbivore suffice? Like a plant and a caterpillar?
they all look different The diagram will probably include an inverted pyramid in which the lower levels have the least amount of pesticides/toxins in the bodies of the consumer and succeeding steps having increasing amounts depending on the trophic levels.
3rd or 4th
Microorganisms, such as bacteria and archaea, typically have the least biomass compared to other groups of organisms like plants and animals due to their small individual size. Although they are abundant and play crucial roles in ecosystems, their individual biomass is relatively low.
The primary producers (such as plants) are the most energy efficient part of a trophic pyramid. They can convert sunlight into energy through photosynthesis with high efficiency, capturing the most energy from the environment. Each higher trophic level loses energy in the form of heat as it consumes lower levels, making them less efficient in energy use.