Question

define aestivation & placentation.

Answer 1

Hi friend,

Here is the answer:
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DEFINITION:-

AESTIVATION- A state of inactivity and metabolic depression during summer

PLACENTATION- the formation, type and structure/ arrangement of the placenta

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Hope my answer helps you :)

Regards,
Shobana
^_^

Answer 2

aestivation:spending the summer in one place, a type of hibernation is known as aestivation
placentation : the arrangement of placentas and ovules in plant over
or
the development of placenta and attachment of foetus to uterus during pregnancy is known as placentation

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