Examlex
Which of the following statement is true?
Chorion
An extraembryonic membrane in reptiles, birds, and mammals that forms an outer cover around the embryo and in mammals contributes to the formation of the placenta.
Gas Exchange
The biological process where organisms transfer gases (like oxygen and carbon dioxide) with their surroundings, essential for respiration and photosynthesis.
Provide Nourishment
The act of supplying essential nutrients necessary for growth, health, and good condition.
Gonads
The primary reproductive organs in animals, responsible for producing gametes and, in many cases, hormones; including ovaries in females and testes in males.
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