The correct answer is "conditioned taste aversions".
Conditioned Taste Aversions is best described as an event wherein it occurs whilst<span> an animal </span>friends<span> the </span>flavor<span> of a </span>certain food<span> with </span>symptoms resulting from<span> a </span>poisonous<span>, spoiled, or </span>toxic <span>substance. </span>normally<span>, </span>taste<span> aversion is </span>developed<span> after ingestion of </span>food<span> that </span>reasons<span> nausea, </span>illness<span>, or vomiting.</span>
<span>The action of Helicase is to create replication forks and replication bubbles. Helicase is the first step in the DNA replication process. Helicase is an enzyme that breaks the hydrogen bond between the parental DNA to free the DNA double helix. The area where it unwinds is called as replication fork.</span>
The negative impact of youth risk behavior considers the risks to youth health and the protective behaviors of health including smoking, drinking<span>, </span>drug use<span>, diet and physical activity. Depending upon one's social circumstance including the location of upbringing and access to education, the risk to health would increase, this could be affected by economic factors, with negative health impact increasing with the less access to resources. This directly impacts on the physical and mental well-being of an individual, with bad diet and lack of physical activity limiting a person's potential in the socioeconomic sphere and confidence and health.</span>
Answer: alternative A.
Explanation: Fixism was a current theory during biology history, and it stated that species were always like they are at the present time, not being able to change during time. Darwin's evolutionary theory, developed at the 19th century, said the opposite: species were able to change and they still do it. One way to prove it was <u>studying fossils and its morfologycal characteristics in order to link them to more recent species</u>, and <u>establish a taxonomical connection between them</u>. The study of fossils is know as paleontology, and it this way it changed the naturalist's views.
Chromatin, Chromosomes, Chromatids
