Answer:
Carries food from the mouth to the stomach.
Explanation:
The esophagus is the tube in which chewed food travels after you swallow. It is directly connected to the mouth and the stomach.
The correct option is this: ANCESTRAL STATE RECONSTRUCTION SUGGESTING THAT THESE ANIMALS HAD OPSINS THAT WERE SHIFTED TOWARD THE RED.
Ancestral reconstruction is the extrapolation back in time from measured characteristics of individuals to their common ancestors. Opsins are a group of light sensitive proteins that are located in the photoreceptor cells of the retina of the eyes. Having opsin that were shifted toward the red colour will enable the animal to see very well in the night time, thus, the animal will be active during that period.
According to the characteristics of life the petal would be deed if plucked from its flower because the flower petal on it's own can not Grow, or Reproduce,
Adapt to it's Environment, Use Energy, or Respond to it's Environment.