Answer:
We can predict the ways organisms will interact in different ecosystems by comparing the NICHE they fill.
Gravitational pull is measured in G's
a star expels most of its outer material until only the hot core remains, which then settles down to become a young a white dwarf
Generalized Anxiety Disorder (GAD), Specific phobias, Agoraphobia, Social Anxiety Disorder, Panic Disorder, Separation Anxiety Disorder.