Speciation is the
process by which new and distinct species are formed. One of the most important
factors necessary for speciation to occur is the genetic isolation of two
populations. This genetic isolation can, over long periods of time, cause these
two groups to become genetically incompatible. Factors that can lead to this
genetic isolation include geographic separation and hostility among population
groups.
<u>Answer:</u>
Yes,We live in the Cenozoic era, and scientists know more about this era and epochs.
<u>Explanation:</u>
This is because the cenozoic period is one of the three main periods of earth's history which began about 66-million years ago, lasting to the present. It is the latest or the current era of life. In this era, the rock layers are preserved more and destroyed in much lesser degree as compared to previous eras.
The Cenozoic Age is often recognized as the Mammals age because many species of large animals have been annihilated, enabling the preservation and proliferation of smaller creatures as their hunters no longer existed.
The
peripheral nervous system (PNS) consists of nerves that transmit impulses back
and forth between the central nervous system, the skeletal muscles, and the
skin.
<span>The
PNS consists of the nerves and ganglia that are located outside the brain and
spinal cord (CNS). The main function of the PNS is the connection between the
brain and spinal cord and the rest of the body.</span>
Clearly the onion cell consists of a cell wall, because an onion is a multicellular plant organism.
Multicellular means; consisting of many cells.
How does weight effect the distance a paper airplane will fly?
