Answer:
"Survival of the fittest" is a phrase that originated from Darwinian evolutionary theory as a way of describing the mechanism of natural selection. The biological concept of fitness is defined as reproductive success.
Explanation:
Answer: The exoplanets are the planets which orbit stars other than the sun.
Explanation: Exoplanets are also known as extra solar planets which means that these planets revolve or orbit around the stars other than the sun.
Exoplanets does not belong to our solar system because in our solar system, the planets orbit around the star named as sun.
Examples of exoplanets are Kepler-186f , 55 Cancri e.
Answer:
Lateral Hypothalamus
Explanation:
According to the hunger researchers' initial assumption lateral hypothalamus is that part of the brain which regulates intake of food and metabolical activities like metabolical regulation of peptides like the orexins melanin-concentrating hormone. It is that part of the brain that plays a key role in the ingestive behavior regulation.
The lateral hypothalamus system initiates physical and cognitive processes like it promotes arousal and feeding behavior, metabolism, regulates body temperature, BP, etc. and when stimulated it results in the feeding behaviour in animals as they begin to eat.
