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SCORPION-xisa [38]
1 year ago
14

The placenta is formed by endometrial tissue of the uterine lining and the ________

Biology
1 answer:
weeeeeb [17]1 year ago
7 0
Chorionic villi of the trophoblast
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Darwin and Lamarck's theory is different but they were also very similar. Both of them thought that the organism changed, and they are very helpful for the organism to survive. These characteristics are also passed to their young generation.

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