Answer:
For the benefits we have had improvements in communication and transportation which has caused an increase in economic growth.
For the disadvantages this causes (urbanization) will allows people to live in urban areas.
Explanation:
Answer:
its a alteration i would go with B
Explanation:
Answer: option D.
Phenotype
Explanation:
Theory of natural selection shows that different organism survive, adapt and reproduce in their environment due to their different phenotypic variation. The phenotypic variation exist among individual organisms and it is heritable which is transfer from one generation to another.
Phenotype are traits or physical characteristics or observable characteristics of organism e.g organisms appearance, behavior e.t.c.
Answer: first 2 statements ie. It is essential that our diet provides these amino acids.
There are 20 essential amino acids.
