if an ecosystem experiences a flooding after storm and the only remaining plant life is lichens and moss, would this be primary or secondary succession

Which codon is the code for the amino acid histidine (his)?

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x chinchilla 1/2 agouti, 1/2 chinchilla 3/4 agouti, 1/4 chinchilla all chinchilla

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?