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<em>A placental mammal develops before its body systems can function independently;</em>
A. Inside it's mothers body
<u>Mammals don't come from eggs, and the term placental mammal means it has a placenta. It comes out when our mothers deliver. A marsupial mammal forms in a pouch, so the answer is inside it's mothers body </u>
Antibiotics germs killed immune system in the human body
Every plant organ is adapted to its function. For example, leaves that are big and flat absorb plenty of sunlight for photosynthesis. Long roots keep a tree stable and take water from deep in the soil. Some plants have unusual adaptations.