Respuesta :
Answer: Because their environment started to change. From this, it seems like climate change was the main factor. So it's only natural for them to migrate to other areas such as the wild.
Answer:
D) Due to climate change, the bears' once-separate habitats are beginning to overlap.
Explanation:
Options:
A) Grolar bears and pizzlies could pose a risk to natural habitats and humans.
B) These hybrids were first seen in zoos, as the bears' natural habitats did not normally overlap.
C) Grolar bears and pizzlies are the result of crossing polar bears and grizzly bears.
D) Due to climate change, the bears' once-separate habitats are beginning to overlap.
Grizzly bears, black bears, and gray wolves traditionally coexisted in the area, and researchers and managers were sure restoring the gray wolf population wouldn't affect grizzly and black bear populations. Before wolves, only weather-killed elk provided bears and other scavengers with carrion. Elk now has a reliable winter food source in wolf-killed elk. Grizzly bears may move a wolf pack off their kill using their power and bulk. Climate change also changes animal behavior.
Learn more on climate change at: https://brainly.ph/question/953792
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