<span>A. If one essential nutrient within an ecosystem runs out, primary productivity will be limited.
A specific nutrient is need for every organism in the ecosystem. If this particular nutrient is diminished within the ecosystem then cellular processes will decreases and a great number of specie will die. </span>
Answer:
<u>Two molecules (or compounds) are combined together</u> to begin the process.
Explanation:
Dehydration synthesis is formally known as a chemical reaction.
<u>Dehydration synthesis happens when two molecules combine with one another</u>. Once they are joined together the process of water removal starts.
Hope I could help! :)
Answer:
The presence of fins in both species represents an adaptation to the same environment (i.e., sea), but in no way does this adaptation means close evolutionary homology between fishes and mammal cetaceans (whales)
B.https://www.mansfieldct.org/Schools/MMS/staff/hand/genNaturalselection06.htm this is where I got my source.
