Answer:
Rhodopsin is the photopigment in rods.
Animals need to consume food in order to obtain energy (just like humans.
Answer:
<em>I assumed this question was a fill in the blank. :-)</em>
- Hypertonic
- Greater
A and b are cells so they definitely are not bacterium so c and d are bacterium I think. Your welcom.
Predictions about the future based on the position of planets is an example of astrology.