A student is conducting research on the impact of humans on whooping crane populations in the North America. Which statement best supports the student’s claim that animals have been positively impacted by human intervention?(1 point)
Responses
A. Captive-bred whooping cranes have been introduced to natural environments.
B. In the 1800s, North America was home to over 1,000 whooping cranes.
C. Although the hunting of whooping cranes was criminalized, their numbers continued to decline.
D. In the early 1900s, the U.S. and Canada jointly signed a migratory bird treaty.
2 answers
A. Captive-bred whooping cranes have been introduced to natural environments is the statement that best supports the student's claim that animals have been positively impacted by human intervention. This is because captive breeding programs have helped increase the population of whooping cranes and reintroduce them to their natural habitats, which is a direct result of human intervention.
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