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scZoUnD [109]
3 years ago
12

Study the data from the USGS website to learn more about the spread of West Nile Virus. Write a brief description of what has ha

ppened to the population since 1997.
Brainleist to the first correct answer!
Biology
1 answer:
Fantom [35]3 years ago
5 0

The west Nile Virus is pathogen which caused the West Nile fever and encephalitis. The pathogen was introduced in 1999 in the Western Hemisphere and infected a major population in new york. It then expanded to 12 states and district of columbia. The major carrier of the pathogen was Avian and Mosquitoes species. In between 1999 to 2008, nearly 2500000 people were infected and nearly 1500 people died. Also there were thousands of cases of encephalitis or meningitis.

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8 0
3 years ago
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harkovskaia [24]

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Drag each tile to the correct location on the table.
RideAnS [48]

Answer:

Kidneys : helps in forming urine

Ureter : They are connected to kidney and by peristaltic action transports urine from kidneys to bladder .

Urinary bladder : It is an hollow sac that holds the urine .

Urethra : transports urine from the bladder to outside of the body .

Explanation:

The human excretory system consists of   : Kidney ,ureter ,urinary bladder and urethra .The figure is shown below .

Now , as far as functions are concerned we have :

Kidneys : They have excretory units called nephrons that  further  consist of :

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In nephrons urine is formed and via ureter it is transported to a hollow sac like structure called  urinary bladder .

This bladder has muscles that cant remain contracted up to longer period )and then voluntary and involuntary it is excreted through urethra .

The process of passing urine is called Micturition .

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What type of severe weather would most likely decrease coral reef biodiversity by damaging coral skeletons and polyps?
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I am sure that it is Typhoons which is a tropical storm in the region of the Indian or western Pacific oceans.


3 0
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What effect can mutations have on virus
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