Examlex
The variable that an experimenter assesses or measures is called the
Passenger Pigeons
A species of bird that once existed in enormous numbers in North America but went extinct in the early 20th century due to overhunting and habitat destruction.
Ornithologist
A scientist who studies birds and their behaviors, habitats, and physiology.
Spotted Owls
A species of owl known for its distinctive spots, native to North America, and considered an indicator of old-growth forest health.
SARA
An acronym standing for the Species at Risk Act, a Canadian law enacted to provide for the recovery of wildlife species that are at risk of extinction.
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