What does a food web diagram illustrate?
a.
all feeding relationships in an ecosystem
b.
the cycle of carbon through an ecosystem
c.
a single pathway of feeding in an ecosystem
d.
the cycle of water through an ecosystem

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

What best explains the inability for life to exist in earth early atmosphere

An animal cell (left) and a plant cell (right) are shown.which organelle, labeled x in the diagram, is found in both plant and animal cells?