1. Write down an example about one form of cell communication (signaling) in the human/ animal/plant cells 2. Explain the pathway 3. Identify the ligands and Receptors 4. Identify the cellular response 5. List at least one disorder related to the pathway (signaling pathway)

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.

if the hares very faster than they are now, and thus the lynx's hunting success rate drops because it will be harder to catch them, the rate that will change will be the pray-rate. the pray-rate will change because more hares will be able to survive, thus more individuals for reproduction, so the end result will be increasing population of hares.

the predator-rate will remain pretty much the same because there will be more than enough pray, but the hunting success rate is stagnant.