In what situations do BOTH anxious and calm rats thrive?

In which situations is the principle of cross-cutting relationship useful in determining relative age?

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.

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is