What do these plant hormones do?

What are differences and similarities between plant and animal hormones in terms of their sites of synthesis and target site action?

• Discuss differences and similarities between plant and animal hormones in terms of their sites of synthesis and modes of action at target sites?

• Answer:

  Plants have no specific organs that produce and store hormones, while animals have glands that produce and store hormones that are released in to the vascular systems (mammales have two). In plants the hormones may regulate growth of the same or nearby cells, while in animals the target cells are somewere else in the body.