Some marine fish species release sperm and eggs in a process called spawning. when one individual spawns, chemicals are released that promote spawning in other nearby individuals. what kind of feedback is illustrated this example?

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?