Develop a timeline to show the history of the development of cell theory from inception to modern day. include the contributions of hooke, malphigi, grew, van leeuwenhoek, milne-edwards, dumortier, schleiden, schwann, virchow, purkyne (also spelled purkinje), and porter.

When analyzing tree rings, what do scientists assume a thin ring indicates?

Which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton

Adescription of a type of bio biotechnology (genetic engineering, cloning, or artificial section) one benefit or one risk for the individual (based on whether you are for or against it) one benefit or one risk for society (based on whether you are for or against it) one benefit or one risk for the environment (based on whether you are for or against it)