A multicellular organism develops from a single cell.
There can be a lot of factors that express sexuality. The origin would be its genes. The genetic make-up of the person what trait has passed on to an individual from his parents. Another factor is the environment. A person's sexuality can be influenced by social groups, home environment and from the media that he/she looks at.
Answer:
the pH
Explanation:
The condition that should not be kept the same in each of the five test tubes is the pH.
Since <u>the aim of the experiment is to investigate the effect of pH on the activity of the lipase enzyme</u>, the pH is, therefore, the <em>independent variable</em>. Thus, it must be controlled or varied in all the test tubes in order to see its effect on the activity of the enzyme, which, in this case, would be the dependent variable.
Since the means of reproduction have changed, the population of peacocks would probably start losing their pretty feather colors due to the fact that over time females would be mating with the containing the other trait (and possibly not the pretty feathers). This would then produce offspring with ugly colors but also with the desired trait. This would continue on and on until those with the desired trait outnumbered or possibly extinguished the now unnecessary vibrant feather colors.
Answer:
Education
Explanation:
Education is not among the top sources of stress for Americans according to the American Psychological Association. The American Psychological Association is an organization that represents psychologists in the United States. The APA researches various matters like abortion, human rights, detainees and so on. In 2010, the APA conducted a survey on stress and their findings include there is high stress in America; self-care isn’t a priority and lack of will power and concludes that work, health, and money are the top sources of stress in America.
