Which structure provides energy to the cell?
a. cytoskeleton
b. mitochondria
c. ribosomes
d. endoplasmic membrane

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

What is the period of cell life when it is conducting

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.