Answer: 4. Problem solver
Explanation: you're working to fix a known problem
Collenchyma and Parenchyma because they are cellulose containing cells.
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The bladder, the kidneys, the skin, the lungs, the liver, and the urethra.
Letter M is in between L and N. So like this LMN and o is in between N and P. So like this NOP. So technically the difference from o to m is just one of N.
If an invasive species is added into a food chain/web, it becomes overpopulated/a pest because it has no natural predators.
It can also disrupt the food chain/web by eating the food supplies of the native organism leading to competitions.