Answer:b. After three generations of breeding the smallest dogs, the average size of pups in a litter decreases by 3 pounds. -- Evolution
Explanation:Evolution refers to changes in inherited traits which occurs over successive generations.
These are genetical traits which are passed from parents to offsprings.
It may be due to mutation or combination of genes that causes genetical variations over time.
It is also driven by natural selection in which subjects with resistant genes stay long and have these passed from generation to generation or resulting to some genes being eliminated.
Answer:
The correct answer is It allows workers to specialize in a variety of skills
Explanation:
Job specialization (also known as division of labor) first proposed by the scottish economist Adam Smith, exposed in his main work "The Wealth of Nations" in 1776, refers to the process of breaking large jobs into smaller jobs assigned to individual workers. The purpose of job specialization is to focus each worker's concentration on a specific area of expertise within the production process. The argument states that, through the specialization and refinement of skills, productivity will increase.
The oases offer drink, wildlife, shelter, and other commodities the harsh deserts don’t have, so there are most likely more people living around oases in these regions.
Answer:
The waters are generally crystal-clear, with submarine features clearly visible at depths of 100 feet (30 metres).They: protect coastlines from the damaging effects of wave action and tropical storms. provide habitats and shelter for many marine organisms. are the source of nitrogen and other essential nutrients for marine food chains.
Explanation: