Amy was observed by a researcher both at home and at school. What kind of research method is this?

Which of the following is an example of propriate functional autonomy?

a) A rat in a maze is sated and no longer hungry, so it stops running through the maze. b) A person who had to work odd jobs to be able to buy food keeps working after winning a huge amount of money in a lottery. c) A student is tired of studying, so she goes to sleep even though she is not prepared for the test that she will be taking in the morning. d) Because his parents have always wanted him to be a doctor, Jordan applies to medical school.

Egg and sperm cells combine to form a cell called a __________

Fill in the blank with the appropriate word.