Bright sunlight shines in the eyes of a human. this is an example of:

voluntary response

involuntary response

external stimulus

internal stimulus

The function of the excretory system is to control homeostasis and

Which spheres are involved when sedimentary rocks formed from parts of seashells at the bottom of the ocean? a.) biosphere, atmosphere, geosphereb.) geosphere, hydrosphere, biosphere c.) geosphere, exosphere, hydrosphered.) hydrosphere, biosphere, atmosphere

How are viruses different from eukaryotic cells?