Similarities between amoeba and hydra and the media for transportation in ten organisms I will mark as brainlest.

Water acts a carrier of food and oxygen to their body and it also carries out waste material and carbon dioxide from the body. In simple multicellular organisms like Hydra, the transportation of material from cell to cell takes place through simple diffusion.

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.