if an ivory sample has two alleles that are also found in a population sample does that tell you with certinty that the ivory sample came from the population

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides

Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.