Wings would be different in human and pigeons.
Answer: Define Active transport
Explanation: The moving of molecules or ions across the cell membrane.
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Answer:
Ancient landmasses
Explanation:
The same fossils being found in widely separate areas can help scientists infer the geography of the continents of that time.
For example: Africa and South America used to be connected during the Permian Period.
Scientists can confirm this because both continents are home to similar fossils.
The right ventricle will pump blood into the lungs to be oxygenated bia the pulmonary artery.