Author Question: On about the sixth day after fertilization, the uterus secretes a chemical that dissolves the hard ... (Read 41 times)

fbq8i · **on:** Jun 22, 2018

On about the sixth day after fertilization, the uterus secretes a chemical that dissolves the hard covering around the blastocyst, allowing it to implant in the ____.

a. uterine wall c. kidney
b. ovary d. endometrium

Question 2

Researchers recommend that a person conducting a lineup should tell the witness that the culprit may or may not be present in the lineup. Without this instruction, what tends to happen?

A. False identifications tend to increase.
B. The eyewitness may feel that they must choose someone.
C. The eyewitness tends to choose the person who most resembles the person they witnessed.
D. all of the above