Explanation:
Interdependence. All organisms in an ecosystem depend upon each other. If the population of one organism rises or falls, then this can affect the rest of the ecosystem. If the foxes in the food chain above were killed, the population of rabbits would increase because they are no longer prey to the foxes.
<span>A cell is able to respond to a hormone with the help of a specific hormone receptor. A hormone receptor is a molecule the binds to a specific hormone. Some of the major hormone receptors are: peptide receptor, steroid receptor, insulin receptor, glucagon receptor and others. Hormones circulate mostly in blood and in extracellular fluid, coming into contact with most cells.Hormones control essential body functions by carrying messages from the endocrine systems to target cells and tissues.</span>
