True or False:
Single-celled organisms cannot
be considered consumers.

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?