Jodie asked: Can I have my child stand on the back of my bike while I ride? Any law against that?
There is a law against that and certain other passenger actions.
s. 316.2065 – Bicycle Regulations
(2) A person operating a bicycle may not ride other than upon or astride a permanent and regular seat attached thereto.
(3)(a) A bicycle may not be used to carry more persons at one time than the number for which it is designed or equipped, except that an adult rider may carry a child securely attached to his or her person in a backpack or sling.
(b) Except as provided in paragraph (a), a bicycle rider must carry any passenger who is a child under 4 years of age, or who weighs 40 pounds or less, in a seat or carrier that is designed to carry a child of that age or size and that secures and protects the child from the moving parts of the bicycle.