QUESTION 3
How do scientific theories compare to hypotheses?
a. Theories are the same as hypotheses.
O b. Theories unify a broad range of observations and hypotheses.
c. Hypotheses combine the ideas of several theories to explain events.
d. Hypotheses are the dominant view among scientists.

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 goes in and out of a cell respiration?

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.