Organs that expand to fill with air

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

What two fields of study provide the core information that is used to classify organisms?

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 albino a) all chinchilla b) 1/2 chinchilla, 1/2 albino c) 3/4 chinchilla, 1/4 albino