The environment is your correct answer<span />
The answer is an overhunting.
<span>The bottleneck event means drastic reduction of the population size because of environment changes. The consequence of this is the reduction of genetic variation. The bison population is a good example of the population bottleneck. The bison population drastically reduced its size due to overhunting which culminated at the end of the 19th century, when bisons almost extinct. </span>
The myelin sheath is the protective layer, which is present in the outer layer of the neural cells. This myelin sheath prevents the loss of electrical impulses, which are being conducted in the neurons. This also act as an insulator between neuron and its external environment.
This layer is mainly made up of the protein and fatty substance. The degeneration of the myelin sheath result in many neurological disorders.
Hence, the correct answer is myelin sheath.
ATP is primarily produced in the Mitochondria.
Answer:
A
Explanation:
technology has made it easier for people to get the nutrients they need through food. Better agriculture means that people don't have to hunt for food or out themselves in danger in order to get food. Clean water has lowered the risks of catching diseases that were in the water.
