Well lets see here, The definition of population is a particular section, group, or type of people or animals living in an area or country. So it would be D.<span>
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The correct answer is D. Bird flu.
Polio and smallpox are very rare today as they were eradicated hundreds of years ago and TB has been around for maybe thousands of years. Bird f!u was discovered in 1957.
Besides supporting and protecting a cell, the cell membrane regulates what enters and leaves the cell.
I am soo sorry this is 4 hours late!!! Hope this helps!!! :)
The hedgehog are animals with spiny armor that protects it from predators and cushions its falls from trees. Animals have different survival mechanisms and means to protect themselves from possible predators. For example; a Camel has long eyelashes and hair-lined ears that blocks blowing sand, can close its nostrils to keep sand out. Others like Koala uses specially designed hands and feet and a thick, padded tail to hold on to tree branches for long periods of time.