A scientist plans to study two different species of birds on the Galápagos Islands over a five year period of time. Species a demonstrated flocking behaviour while foraging. Species B does not. The scientist predicted that species B would be more successful. His primary evidence behind this prediction is the lack of competition between individuals for food

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since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.