Madre Portis is present in

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sea stars are star-shaped echinoderms belonging to the class Asteroidea

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Mesoderm: One of the three primary germ cell layers, the others being the ectoderm and endoderm

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Carcinogen may be due to the ability to damage the genome or to the disruption of cellular metabolic processe

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Adaptive radiation is a process in which organisms diversify rapidly from an ancestral species into a multitude of new forms, particularly when a change in the environment makes new resources available, alters biotic interactions or opens new environmental niches.

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Blood is a combination of plasma and cells that circulate through the entire body.

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Anelida is a group commonly referred to as segmented worms, and they are found worldwide from the deepest marine sediments to the soils in our city parks and yards.

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Adrenocorticotropic hormone is a hormone produced in the anterior, or front, pituitary gland in the brain.

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Birds are a group of warm-blooded vertebrates

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water: H2O