Mangrove trees can provide safety and shelter to many juvenile fish and small creatures. They also help filter out pollution.
Ependyma cells. These cells
that make up the neuroectodermal padding is responsible for the production of cerebral
spinal fluid. The cells are one type of neuroglia
cells of the central nervous system. The lining of ependyma cells of the brain also
plays a role in neuroregeneration.
The answer to this question would be: an organ
A group of a similar cell will make a tissue, but a group of tissues will be called an organ. In the organ, there is various tissue that will work together to do a function.
In the heart, the muscle tissue will contract and pump the blood. The connective tissue will make the valve so the blood will be pumped in one way direction. Every tissue will do different jobs and if you lose one of them it will decrease the organ capability.
From what i learned, it was thought to be CFCs (chlorofluorocarbons), so aerosol sprays i guess