Sound can be heard when air passes over a respiratory structure that is located between the pharynx and the trachea. which structure is responsible for the voice?

the nose
the larynx
the lung
the alveoli

How had the study of mitosis affected scientists knowledge of cancer

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

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