in a marine food web the total biomass of algae far outweighs the total biomass of all the killer whales. why?​

How do you date a sample of rock that you suspect as being one of the earliest on earth

Why is it incorrect to say that mitochondria function only as energy factories with cell

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes