Which organ contains alveoli?
a) gills
b) lungs
c) neither gills nor lungs
d) both gills and lungs

Which statement describes the reaction for cellular respiration? the equation is carbon dioxide + water → glucose + oxygen + water and energy is required in the form of light the equation is glucose + oxygen → carbon dioxide + water and energy is produced in the form of atp. the equation is carbon dioxide + water → glucose + oxygen + water and energy is produced in the form of atp. the equation is glucose + exygen carbon dioxide + water and energy is required in the form of light.

Describe the primary and secondary immune response in terms of speed and number of antibodies produced?

In which situations is the principle of cross-cutting relationship useful in determining relative age?