Which of the following is not a characteristic of life? a) maintains homeostasis b) composed of cells c) composed of atoms d) carries our metabolism

Which codon is the code for the amino acid histidine (his)?

As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?