Afossil of a new primate species is discovered. scientists hypothesize that the species traveled long distances without putting their hands down on the ground, and used tools. if this hypothesis is true, which trait would the fossil most likely have?

a. a foramen magnum at the back of the skull
b. a curve in the lumbar region of the spine
c. a femur angled outward
d. an opposable big toe

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

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

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.