Once the Earth was full of water (ocean) after volcanic activities the mainland became land ( sorry about my english i am hungarian and i am still learning the language )
Answer:
B. Hypothalamus
Explanation:
Hypothalamus controls all the aforementioned functions. A tumor caused a reduces functionality
Answer:
DNA
It transmits genetic information to the next generation
Explanation:
The buffalo population in the Serengeti was regulated by adult mortality which was caused by undernutrition as a result of food shortage. ... The effect of interspecific competition could result in a complex regulation of populations through their food supply.