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

What do nitrifying bacteria convert

All ova contain sex chromosomes corresponding to: x y xx xy

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.