Use the frilled lizard as evidence to support the claim that organs work together to form organ systems that perform
necessary functions.

The body is protected against harmful flu viruses by

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?