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Science in English p72:
Bonjour pouvez vous m’aider pour mon DM de SVT s’il vous plaît ? Merci


Science In English P72 Bonjour Pouvez Vous Maider Pour Mon DM De SVT Sil Vous Plaît Merci class=

Répondre :

1) A = baby, B = placenta, C = amniotic sac
2) - picture A is the identical twins because there is one egg and one amiotic sac. picture B is the fraternal twins because there are two egg and his own amiotic sac.
- on picture A, there are two babies, two amiotic sac and two placenta
on picture B, there are two babies, two amiotic sac and one placenta