It is always beneficial to study the diseases of other animals because many of these diseases can be transmitted to humans as well. It's also essential in order to save the lives of dogs.
Answer: the <span>Permian–Triassic extinction event ; {"end of the Permian era"} .
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Breathing is an automatic and rhythmic act produced by networks of neurons in the hindbrain (the pons and medulla). The neural networks direct muscles that form the walls of the thorax and abdomen and produce pressure gradients that move air into and out of the lungs.
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<span>Plans need requirements in order to grow. Just like some plants can't thrive in low amounts of water others require higher amounts of water. With this in mind, geographic features is the correct answer. Geographic features can afffect the way a plant completes photosynthesis and such since if the plant is not in a place where it can thrive, some plants require the climate of the tropic and others need the cold.</span>
