Answer:
The correct answer will be option-D
Explanation:
The studies done by the scientist led to the conclusion that the doges were evolved from the wolves,
The interaction of the wolves with humans became symbiotic around 10000-15000 years ago when the wolves in search of food changed themselves and adapted to survive with humans.
The studies on the genes of Dog shows that the gene responsible to digest carbohydrate called amylase starting duplicating in Wolves allowing them to digest carbohydrate cereals offered by humans. Their pancreatic enzymes also got modified to digest the carbohydrate-protein rich cereals.
Thus, option-D is the correct answer.
brown bull. How would you determine whether the bull is a heterozygote for the dominant allele?
Deforestation
Population explosion
Water crisis
Answer: Global warming
Explanation:
Global warming is a ecological crisis which is caused by the release of carbon dioxide in the atmosphere by the industries. As carbon dioxide is a greenhouse gas which traps the heat energy from sunlight which makes the atmospheric temperature warm globally. This will lead to fluctuation of the climatic conditions globally, disturbance in seasonal changes, and melting of the glaciers. These changes directly affect the biosphere.
Answer:
The nucleic acids (DNA and RNA)
Explanation:
DNA as the genetic material which located in nucleus
RNA the number cellular activities
b. narrow
c. thin
d. cartilage