Think of it like a Pyramid.
Domain (largest)
Kingdom
Phylum
Class
Order
Family
Genus
Species (smallest)
Answer:
In females it begins prior to birth, while in males, it begins after birth.
Explanation:
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n human males, meiosis occurs in the seminiferous tubules of the testicles while in females, it occurs in cells called as oogonia. In males, meiosis occurs at puberty while in females it occurs right at birth
Answer:Genetic drift is the process where there are random fluctuations in the gene frequencies within a population. Which of these populations would most likely experience genetic drift?
Explanation:Genetic variation describes naturally occurring genetic differences among individuals of the same species. This variation permits flexibility and survival of a population in the face of changing environmental circumstances. Consequently, genetic variation is often considered an advantage, as it is a form of preparation for the unexpected. But how does genetic variation increase or decrease? And what effect do fluctuations in genetic variation have on populations over time?hen a population interbreeds, nonrandom mating can sometimes occur because one organism chooses to mate with another based on certain traits. In this case, individuals in the population make specific behavioral choices, and these choices shape the genetic combinations that appear in successive generations. When this happens, the mating patterns of that population are no longer random.
Nonrandom mating can occur in two forms, with different consequences. One form of nonrandom mating is inbreeding, which occurs when individuals with similar genotypes are more likely to mate with each other rather than with individuals with different genotypes. The second form of nonrandom mating is called outbreeding, wherein there is an increased probability that individuals with a particular genotype will mate with individuals of another particular genotype. Whereas inbreeding can lead to a reduction in genetic variation, outbreeding can lead to an increase.
The right option is; positive feedback
Positive feedback is not one of the three components of homeostatic control systems.
Positive feedback is a feedback loop that accelerates output produced by an activated stimulus. The three components of homeostatic control systems are; a receptor, integrating center, and the effector. The receptor detects environmental stimuli and transmits the information to the integrating center. The integrating center signals an effector and responds to the stimuli.
Answer:
The correct answer is B) Yellow fever
Explanation:
Yellow fever is a viral disease and this disease is spread by the bite of female Aedes aegypti mosquitoes that are found in Brazil and many other South American countries and the chances of getting yellow fever gets increase when anyone travels through amazon river.
The symptoms of yellow fever disease are fever, headache, back pain, nausea, and in some people it causes liver damage which results in yellowing of the skin.
So if anyone is traveling to Brazil in South America then he must be vaccinated for yellow fever which is also recommended by the WHO and CDC. Therefore yellow fever would be the disease that the student would most likely to have.