Answer:
B) Female condoms
Explanation:
Genital herpes is caused by herpes simplex virus. It is a sexually transmitted disease i.e. it spreads by sexual contact between an infected and a normal person. It results in itchy and painful blisters around external reproductive organ .
The best way for Jill to avoid it is to avoid sexual contact or else a physical barrier can be created during sex so that the virus does not come in contact with her external reproductive organ . Out of the given options only female condoms can provide that physical barrier. Other methods wont be able to prevent the direct contact of their reproductive organs . Hence, female condoms are the best choice to avoid genital herpes.
Bird flu is a relatively new disease. Hope this helps!
When in a certain situation, organisms with traits more suited to survive in that situation often survive more often and are able to reproduce more, which means that their genes eventually dominate the gene pool.
For example: take a light moth population and a dark moth population. They live in a forest with dark trees, so the dark moths blend in more and are harder to find and hunt. As a result, more of them survive than the light moths, so more of them are reproducing and passing their genes along.
Over time, those genes may become the only traits of that variety that the organism can have, so they grow to evolve and adapt to their surroundings.
Answer:
The flooding of half part of the forest have successful separate the population of frogs in that ecosystem into two different set of frogs. This is an example of allopatric speciation, that is, the population become separated as a result of geographical barrier. This separation will make the two set of frog population to become new species. On the long run, the two species may become unable to relate sexually.
Explanation:
Planning, environmental impact analysis, civil or structure engineering