Mass and distance
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For example, insects use wings to fly like bats and birds, but the wing structure and embryonic origin is completely different. These are called analogous structures... Some structures are both analogous and homologous: the wings of a bird and the wings of a bat are both homologous and analogous.
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A) remain without change overtime
An energy pyramid is helpful in understanding the relationship between food and energy, because the most energy (generally grass, or plants) is at the bottom, and meat eating predators are at the tippy top (less energy). Producers, primary consumers, secondary consumers and tertiary consumers are all on the energy pyramid. I hope this was helpful:)
I don't know what options do you have but the mold<span> that </span>appears<span> sometimes in our food, making it possible to be ingested can be toxic. The </span>mold<span>, called Penicillium crustosum produces powerful </span>neurotoxins, such as <span>penitrem A, that can penetrate the </span>hematoencephalic<span> barrier leading to toxic effects on the brain.</span>
