Answer:
Pineal gland is a very small structure inside the brain which helps in the production of hormones. It forms from the roots of the diencephalon which is an important part of the brain.
Basically the pineal gland is situated behind ventricle( third cerebral ventricle) of the brain.
The main function of pineal gland is that it is regulates the sleep wake cycle by producing melatonin.
Your answer would be Target cell.
Hope this helps
Answer: Sound waves and some earthquake waves are longitudinal waves. Ocean, light and other earthquake waves are transverse waves.
Natural selection affects undesirable traits, because as time pass on, the undesirable traits will be lost due to the competition with the desirable traits. For an example, the Rabbits that runs slower than normal rabbits, will eventually die due to the natural selection because the normal ones will run faster than the undesirable one.
A forest ecosystem describes the community of plants , animals, microbes and all other organisms in interaction with the chemical and physical features of their environment.
