What do you predict would happen if you placed a population that had mostly brightly colored guppies into a stream with a lot of predators?

What do you predict would happen if you placed a population that had mostly brightly colored guppies into a stream with a lot of predators? Questions and Predict: The population of bright guppies would increase due to there being no large predators. Since there are no predators there is more mating and reproduction, bright coloured […]

Why was the Iron Horse important?

Why was the Iron Horse important? Iron Horse was used admiringly when comparing early road and railroad traction engines performance to slower, less powerful horse powered tramways. Why was the Iron Horse invented? Why do you think people called the new trains “iron horses”? Railroad companies wanted to convince people that train travel was safe […]

Can levothyroxine cause bone loss?

Can levothyroxine cause bone loss? Bone loss due to levothyroxine over-replacement frequently occurs in postmenopausal women [11,12]. However, evidence of an association between levothyroxine doses and fracture risk has been insufficient. A recent epidemiological study by Turner et al. Does thyroid medication deplete calcium? If the hyperthyroidism is treated early, bone loss can be minimized. […]

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