Which is NOT a characteristic of organisms found in the plant kingdom A. cell walls contain cellulose
B. eukaryotic cells
C. heterotrophic
D. multicellul

Plz plz plz quick! 49 points for whoever which of the following statements about greenhouse effect is true? *life on earth is suffering because of greenhouse effect *the greenhouse effect is caused by human activity *all greenhouse gases are harmful *life on earth would not exist without the greenhouse effect

This is a type pf behavior that animals are born with and them to survive

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .