Expansion and Extinction of Species

How can climate change lead to an expansion of a species?

Over time the grizzly bear and polar bear could create a new species.

The Great plains has changed over the years as a result of? Check all that apply.

What is one possible way the barred owl was able to cross the Great Plains?

The northern spotted owl population is at risk due to which of the following? Check all that apply.

Barred owls and northern spotted owls use old-growth forests for food and nesting. Which of the following characteristics of the barred owl would give it a competitive advantage over the northern spotted owl? Select 4 correct answers.

What evidence supports the idea that extinctions have occurred throughout history?

Which of the following is not a factor that causes background extinction?