First drag pink labels to pink targets to identify the digestive organs. then drag blue labels to blue targets to identify the source of each digestive enzyme or fluid.

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

The asian shore crab (hemigrapsus sanguineus) is an invasive species that has impacted the atlantic coast. predict what characteristic of this invader would most likely disrupt the biodiversity of this area.

Explain how scientists use geologic time to determine the age of landforms.