Answer:
The placenta serves as an interface between the mother and the developing fetus and has three main jobs: Attach the fetus to the uterine wall. Provide nutrients to the fetus. Allow the fetus to transfer waste products to the mother's blood.
Explanation:
By the late 1830s, botanist Matthias Schleiden and zoologist Theodor Schwann were studying tissues and proposed the unified cell theory. The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.
Its basically saying something (object) at rest is going to stay there until something moves it like an outside object.
Answer:
Patchy Forest
Explanation:
The Patchy Forest hypothesis about hominin bipedalism states that energy-efficient walking on two legs arose so that hominins could search for food that was dispersed as a result of climatic changes at the end of the Miocene.
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Under normal light conditions auxins are spread out in the plant. But when sunlight varies, auxin is broken down on the sunnier side of the stem. The higher concentration of auxin on the shady side causes the plant cells on that side to grow more so it bendstoward the light.
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