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nikklg [1K]
3 years ago
8

Grace recently took a cruise onboard a luxury liner. a few days into her vacation, she developed signs of ____ infection, the mo

st common food-borne illness in the united states.
a. anisakis
b. trichinella
c. botulism
d. norovirus
Biology
1 answer:
stiv31 [10]3 years ago
3 0

The right option is d. norovirus infection

Noroviruses are viruses that cause gastroenteritis ; a condition that causes vomiting, fever and stomach pain. Norovirus is highly contagious. It spreads through contaminated food or water and through close contact with an infected person. Norovirus is the common cause of epidemics of gastroenteritis on cruise ships and it is the most common food-borne illness in the united states.






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It happens because usually according to the environment or the predators, species have to develop different adaptations so they can survive. In this case we have two different types of camouflage adaptations made by the salamanders acording to the conditions so for one specie it is better to camouflage from the predator mean while to the other is better to use lived colors to seem as it is a poisonous animal and in this way avoid the predators.

So you can see the same specie develop different strategies to survive because of a geographic separation, generating an allopatric speciation.

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