Question 1

Question

A) Which animal was responsible for a 99% drop in the opossum populations in the Everglades by
2012? (1 point)
whooping crane
wading bird
python
fox
Question 2
A) How are Burmese pythons and whooping cranes similar? (1 point)
Both species’ populations were affected by human actions that caused environmental changes.
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 were relocated to new environments as pets.
Question 3
A) 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)
In the 1800s, North America was home to over 1,000 whooping cranes.
In the early 1900s, the U.S. and Canada jointly signed a migratory bird treaty.
Although the hunting of whooping cranes was criminalized, their numbers continued to decline.
Captive-bred whooping cranes have been introduced to natural environments.
Question 4
A) What changes to whooping cranes' environment almost wiped out the species in North America
in the early 1900s? (1 point)
People drilled oil wells and let pythons loose.
People drained wetlands and hunted cranes.
People dug canals and sold cranes as pets.
People nearly wiped out opossums and rabbits

Answer 1

Here are the answers to your questions:

Question 1
A) Which animal was responsible for a 99% drop in the opossum populations in the Everglades by 2012?
Answer: python

Question 2
A) How are Burmese pythons and whooping cranes similar?
Answer: Both species’ populations were affected by human actions that caused environmental changes.

Question 3
A) A student is conducting research on the impact of humans on whooping crane populations in North America. Which statement best supports the student’s claim that animals have been positively impacted by human intervention?
Answer: Captive-bred whooping cranes have been introduced to natural environments.

Question 4
A) What changes to whooping cranes' environment almost wiped out the species in North America in the early 1900s?
Answer: People drained wetlands and hunted cranes.