<span>It is believed that the coelacanths and lungfish (lobed fin fishes) represent a crucial link between other fishes and tetrapods. The major feature to support the hypothesis is : </span>Their fins have skeletal and muscular structures similar to amphibian limbs.
<span>A. potential energy because it depends on mass and the gallon has more mass. </span>
Answer:
B. Movement of alleles between populations
Explanation:
Consumers.
Producers make the energy themselves (like plants) - if I remember correctly.
Prey are the hunted organisms.
Predators are like hunters who eat other organisms but the correct terminology used in food chains is usually consumers - primary and secondary etc. (again if I remember correctly).