Question

Q1.In lower animals the mode of transportation is through * O A). blood O B).diffusion B C).heart D). None of the above.​

Answer 1

Answer: Diffusion

Explanation:

Answer 2

Answer:

Always in lower organism like hydra or we can say jelly fish the mode of transportation is through diffusion.

Explanation:

Diffusion is the process of movement of materials from the higher concentration to lower concentration. Here there is the membrane called as semi permeable membrane which helps in the transportation, here the molecules move randomly.