Answer:
semi-permeable
Explanation:
passive transport is the movement of substances along the concentration gradient and no energy is utilized in it
Pioneer species, I think.
Hair, skin, glands, nerves, and nails. And also it’s main function is to act as a barrier to protect the body from the outside world.
Meninges and cerebrospinal fluid both protect the brain from physical shock.
Meninges is one of the membranes that engulf the brain .
Cerebrospinal fluid is the fluid that the brain floats in and absorbs shocks. #answerwithquality #BAL
Answer:
The answer is option A.
A bacterium is a living cell, but a virus is not.
Hope this helps you