It is useful for an ecologist to identify the keystone species in an ecosystem because the keystone species is important to maintaining the stability of an ecosystem, and any changes in the keystone species population shows that there is changes in ecosystem health.
<span>Temperate climates have cold winters and warm summers. The climate is primarily depend upon the latitude. The region near to equator have hot climate known as tropic region. Temperate regions are away from the equator. due to the inclination and globular structure of earth the temperate regions have cold winter and warm summer.</span>
Biological Magnification:
The accumulation of chemicals in the top most organism of the trophic level or food chain.
Example : sharks , predator fishes etc
The Oligocene epoch follows the Eocene epoch.
The Paleogene Period began 56 million years ago and lasted for 23 million years can be divided into three periods: the Paleocene Epoch, the Eocene Epoch, and the Oligocene Epoch, all of which are then divided into their respective smaller eras.
The main purpose of the organ system shown in the provided diagram is that it <span>provides support for the body and protects delicate internal organs.</span>