Answer:
Reciprocal altruism
Explanation:
Dee is distraught over a recent breakup of a romantic relationship and calls Rowan for support. Despite having a term paper due the next day, Rowan wants to console Dee and so rushes to Dee's house, because Rowan knows Dee would do the same were their situations reversed. This is an example of <u>reciprocal altruism</u>.
Reciprocal altruism is an idea in psychology that individuals are motivated to help their friends of family members due to an expectation that they will also be helpful to you at a later time. It is the idea that when an individual performs an altruistic act, he or she will get same in return. The action of Rowan is an example of reciprocal altruism.
Answer:
theta waves with sleep spindles and K-complexes
Explanation:
K-complexes and sleep kindles are known to be defining brainwaves of stage 2 REM or sleep. Duke has not entered the deep sleep stage or the slow wave sleep stage which are characterized by low frequency and high delta waves. While K-waves are large theta waves that usually occur in response to stimulus such as sound, and hence Duke must have been awakened by the sound of the door.
Answer:
b) Domesticated plants were used to attract animals that could be domesticated.
Explanation:
Domestication is the process of getting wild animals or plants to become tame and adaptable for human use.
Domestication of plants taking wild plants and plant them, water and take care of them till they blossom and can be consumed or used for other purposes.
Domesticated plants like wheats, barleys, rice, etc were used to attract animals like goats, sheep and cows for domestication