Plants and plant parts have been used as medicines since prehistoric times. morphine (roxanol) is derived from which plant?

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

How are fossils used to date organisms?

Draw a simple labelled diagram if a collenchyma tissue