If auxins are proteins then petioles grow on auxins. Auxins are not proteins. Whelks are more colorful than periwinkles. Whelks are less colortul than abalones. Periwinkles are the most colorful of the three animals.
Whelks are the least colorful of the three animals.
Worms move slower than lice and worms are smaller than mice. Worms move taster than mice and worms are larger than lice. Lice move the fastest and are the largest of the three animals. No individual is a tapir. No individuals are tapirs.