Organism A eats 5 kcal of food each day. It uses 1.5 kcal for respiration, 0.5 kcal for biomass gain and 1 kcal is egested. Organism B also eats 5 kcal each day. It uses 2 kcal for respiration, 1 kcal for biomass gain and 1.5 kcal is egested. Which organism is more Effective?

they float because they are less dense than the water itself

something denser than water, like a rock, will sink to the bottom

i believe the answer is c

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).