An unknown alien body visits Earth. Scientists study it to determine if it is alive and
notice the following things about it:
• it is made of cells
. it can reproduce
• it does not grow or develop
• it does not maintain homeostasis
it can adapt to its surroundings
• it uses energy
Based on these observations, is this alien living or not?
A: it is non-living because it does not have all the characteristics of life
B:it is living because it has all the characteristics of life.
C: it is living because it is made of cells, uses energy, and reproduces.
D:it is non-living because can’t maintain homeostasis
