Energy in most ecosystems must flow through autotrophs because

Apart of the periodic table is shown. a portion of the sixteenth and seventeenth columns of the periodic table is shown. column 16 reads eight oxygen, 16 sulfur, and 34 selenium. column 17 reads nine flourine, 17 chlorine, and 35 bromine. which of the following elements is less reactive than the others? bromine (br) oxygen (o) selenium (se) sulfur (s)

How do cells grow and reproduce to maintain homeostasis?

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion