What is a group of specialized cells called when they work together to perform a specific function? Atom
Organ
Organ system
Tissue

Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false

Which of the following forest management practices is best for reestablishing areas of forest?

If one were to horizontally divide the earth in half at the equator each half would be a