Which animal was responsible for a 99% drop in the opossum populations in the Everglades by 2012?(1 point)

Responses

fox
fox

wading bird
wading bird

whooping crane
whooping crane

python

python

How are Burmese pythons and whooping cranes similar?(1 point)

Responses

Both species became top predators in their new environments.
Both species became top predators in their new environments.

Both species’ populations were almost wiped out because of a variety of environmental changes.
Both species’ populations were almost wiped out because of a variety of environmental changes.

Both species were relocated to new environments as pets.
Both species were relocated to new environments as pets.

Both species’ populations were affected by human actions that caused environmental changes.

Both species’ populations were affected by human actions that caused environmental changes.

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

In the early 1900s, the U.S. and Canada jointly signed a migratory bird treaty.
In the early 1900s, the U.S. and Canada jointly signed a migratory bird treaty.

Captive-bred whooping cranes have been introduced to natural environments.
Captive-bred whooping cranes have been introduced to natural environments.

In the 1800s, North America was home to over 1,000 whooping cranes.
In the 1800s, North America was home to over 1,000 whooping cranes.

Although the hunting of whooping cranes was criminalized, their numbers continued to decline.

Captive-bred whooping cranes have been introduced to natural environments.

Claiming Factors Affect Populations Quick Check

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Question
What changes to whooping cranes' environment almost wiped out the species in North America in the early 1900s?(1 point)
Responses

People nearly wiped out opossums and rabbits.
People nearly wiped out opossums and rabbits.

People drilled oil wells and let pythons loose.
People drilled oil wells and let pythons loose.

People dug canals and sold cranes as pets.
People dug canals and sold cranes as pets.

People drained wetlands and hunted cranes.

People drained wetlands and hunted cranes.