The truth about intercellular signals are nucleus which opens up on an ion-linked channel.
Intercellular signals mediates and ionizes radiation which is being induced by stander effects.
Inorder to get to know more about intercellular signal we have to identify the transducers, receptors and the ligands.
Answer:
It triggers seed germination by activating hormone.
Explanation:
Karrikins has a great effect on seed germination in the plants as well as the obligate parasitic weed plants because it trigger the germination of seed by signaling of hormone known as strigolactone which is responsible for the germination of see. Karrikins are the group of plant growth regulators which is present in the smoke of burning plant.
A renewable resource is something that provides power but will never run out. Eventually natural gas and oil and coal will run out. Wind is renewable because it will never run out, unless the world ends, then it won't matter.
The answer to that is biosphere