Question

Which feature do amphibians, reptiles, birds

and mammals have in common? Mark all
that apply.
amniotic egg
mammary glands
four limbs
jaw

Answer 1

Amphibians, reptiles, birds, and mammals all share the features of amniotic eggs, four limbs, and jaws.

Step-by-step explanation:

Amniotic egg: Amphibians, reptiles, birds, and mammals share the common characteristic of laying amniotic eggs, which are protected by a membrane that allows the embryo to develop in a terrestrial environment.

Four limbs: All four groups—amphibians, reptiles, birds, and mammals—have limbs that allow them to move efficiently on land or in the air.

Jaw: Amphibians, reptiles, birds, and mammals also possess jaws, which are specialized for capturing and manipulating food.

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