The answer to this question is: <span>entire ecosystems are being destroyed
In order to achieve a new species, current species have to survive for thousands of years and develop new and better features over that time in order to make it easier for them to adapt.
But our environmental condition today is really worrisome due many irresponsible destruction that is made in the name of profit, which endanger a lot of species</span>
Hi there!!
The answer is C.
The smoke from a cigarette can paralyze or even kill cilia!! Also, when smoking burns little holes in the lungs, the overabundant mucus gathers there. Bacteria and viruses get caught in these pools, causing the smoker to cough forcefully to attempt to remove the excess mucus.
Hope this helps!!
An onion is a plant so it would have a cell wall, but a human cell is an animal cell so it doesn't have a cell wall. I'm not sure if that's the type of answer you're looking for though.