Your friend's mother was always baking ginger-flavored cookies whenever you were at their house. you loved those cookies, and would eat several each time you visited. one day, you noticed that you started to salivate as you walked up the front steps to the house, before you smelled the cookies. the reason for this is that the house has become a(n):
a) unconditioned stimulus
b) conditioned response
c) unconditioned response
d) conditioned stimulus

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen

Use the drop-down menus to match each part of the scenario to the correct scientific practice. akira records the speed of a reaction without a catalyst and then with a catalyst. akira creates a reaction without a catalyst and repeats the reaction with a catalyst. akira turns in a written lab report to his science teacher. akira wonders, "will adding a catalyst speed up this chemical reaction? " akira writes in his notes that adding a catalyst sped up the chemical reaction because the catalyst lowers the activation energy needed to get the reaction started.