The excretory system is most likely to respond when an animal is thirsty in this way: B. by retaining body fluids.
Because the body doesn't get enough fluids to not be thirsty anymore, it retains whatever fluids it already has in it until the thirst is satiated.
Hiking is kinetic energy.
A. it has uracil
We know the sequence is RNA because it contains uracil.
Answer:
Similarities: They're all largely or primarily carbon compounds, and they're all produced by living things. Proteins and some carbohydrates have what's sometimes called "high information content" in that the imputed instructions for producing them are very particular.
Explanation: