Which Statement About the Placenta Is True

question 71

Multiple Choice

Which statement about the placenta is true?

• A) It forms in the second trimester of pregnancy.
• B) It encloses the developing organism in amniotic fluid.
• C) It contains one large vein that delivers nutrients to the embryo.
• D) It permits food and oxygen to be delivered to the developing organism.

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Definitions:

Photosynthetic Bacteria

Bacteria that produce their own food through photosynthesis, using light energy to convert carbon dioxide and water into glucose.

Chloroplast

Organelles in plant and algal cells where photosynthesis takes place, converting light energy into chemical energy.

Organelle

One of the specialized structures within the cell, such as the mitochondria, Golgi complex, ribosomes, or contractile vacuole; many organelles are membrane-enclosed.

Geologic Time Scale

A system of chronological dating that relates geological strata to time, used by geologists and other Earth scientists to describe the timing and relationships of events in Earth's history.