This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.

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I- Définir les termes suivants :
II- Questions sur les documents :
Step 1: Identification des éléments et phénomènes (II.1)
Step 2: Annotation des documents (II.2)
Step 3: Formule chromosomique (II.3)
III- Choix des réponses correctes :
Step 4: Question 1
d. unisexués qui assurent la reproduction chez les gymnospermes.
Step 5: Question 2
b. occupent les carpelles au niveau de l'ovaire.
Step 6: Question 3
b. nécessite une bonne hydratation. d. est accompagnée d'une respiration intense de la graine.
Step 7: Question 4
b. caractérise les angiospermes. c. permet la formation de la graine.
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Welcome back — been a while! Let's pick up where you left off.
This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.