Question

Which of the following describes some of the changes that occur during the third trimester of pregnancy?
A) The fetus doubles in mass, and the body begins to store nutrients and minerals within its tissues.
B) Cells divide into three cell layers during gastrulation, and the heart can be heard with a stethoscope.
C) The ectoderm, mesoderm, and endoderm are made, and most of the major organs become fully formed.
D) Bone starts to replace cartilage for form the skeleton, and the fetus begins to form and discharge urine.

Answer 1

Answer:

A) The fetus doubles in mass, and the body begins to store nutrients and minerals within its tissues.

Answer 2

In the third trimester, the fetus doubles in mass, and the body begins to store nutrients and minerals within its tissues.

What is a trimester?

A trimester is a division of fetal development into three stages of three months where different developmental changes occur in the developing fetus.

There are three trimesters during a nine months pregnancy:

• first trimester- month 0 - 3
• second trimester- month 4 - 6
• third trimester- month 7 - 9

The third trimester involves changes in the fetus including; fetus doubles in mass, and the body begins to store nutrients and minerals within its tissues.

Therefore, the third trimester marks the final period of development of the fetus.

Learn more about trimester at: https://brainly.com/question/1428046