Match each term with its most suitable description:

____ is the conversion of ammonium to nitrates.

True or False: Tree ring bands reflect conditions in the environment during the time it formed.

_____ is the seed leaf of a flowering plant embryo.

How many great mass extinction have occurred on Earth?

_____ meristem is located in the tip of a shoot or root.

_____ is a species that have a disproportionately large effect on community structure.

_____ succession occurs when a new community develops in a disturbed site where the soil that supported a previous community remains.

True or False:  The vascular bundles in monocot stems are dispersed throughout the ground tissue?

True or False:  The sink is a region of plant tissue where sugars are being produced or released from storage.