Which of the following statements is correct? A.
An organ is more complex than a molecule but less complex than a cell
B. An organ is more complex than a cell but less complex than an organism
С.
An organ is more complex than an organ system but less complex than an organism
D
An organ is more complex than an organism but less complex than an organ system

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?

Select the correct answer from each drop-down menu. the lac operon in e.coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.