Answer:
<em>The correct option is C) the species contained large amounts of genetic variation.</em>
Explanation:
Genetic variations allow more diversity to occur in a population of species. The genetic variations among species of a population tend to make the population more stronger. The genetic variations allowed the wild plant <em>Brassica oleracea</em> to separate into many varieties such as cabbage, Brussels sprouts, kohlrabi, kale, broccoli and cauliflower.
Artificial selection is the method through which organisms with favourable characteristics are bred together so that offsprings with better characteristics can be produced.
DNA replication is called semiconservative because the two resulting DNA molecules each have one new DNA strand and one old strand from the original DNA molecule.
Answer:
Edit
Actin is a family of globular proteins that form microfilaments, one of the three fundamental components of the cytoskeleton of the cells of eukaryotic organisms (also called eukaryotes). It can be found as a monomer in free form, called actin G, or as part of linear polymers called microfilaments or actin F, which are essential for cellular functions as important as cell mobility and contraction during cell division.
It can affect the pet and it's health.
Answer:
Answer is 3%.
Explanation:
Major depression as explained in the text is a type of depression that last for a longer period of time.
This type of depression is usually seen in the adults , especially in the people within 40-59 age bracket.
This is because, at that age bracket or range , people have the notion to have gathered a reasonable amount of notable achievements in life, ranging from being married with children , to having personal house, cars, business, and many others. And when some or none have been achieved, it brings depression.
Teenagers do not think about the things mentioned above , because they have parents that will provide them, and, because they haven't reach the stage.
Some of the symptoms of depression in adults are
* feeling hopeless or empty
* feeling sad
* change in appetite.
* feeling helpless and restless.
* trouble with concentration.