Habitat Loss, , , loss of homes for species, cutting down forest, caused by human demand for space, impacts the most animals, Overharvesting, , example: over fishing, illegal pet trade (parrots, reptiles), Poaching a sea turtle eggs, sharks hunted for fins and cartilage, Invasive species, , organisms not native to an area that take over the food web, zebra mussels clogging pipes, emerald ash borers killing trees, feral swine destroying crops, Pollution, , , chemicals released into air or water, smog, oil and plastics in the ocean, Population Growth, , increases consumption rates, , put pressure on freshwater supplies, urban sprawl.

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