Which major product innovation milestone occurred in wildlife tracking technology during the 1990s that revolutionized conservation efforts?

Conservation technology has evolved dramatically over the past decades, transforming how we monitor and protect endangered species. One of the most significant product developments in wildlife conservation has been tracking technology. This poll tests your knowledge about a pivotal moment in wildlife product innovation that changed how conservationists monitor animal movements and behaviors in their natural habitats.

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The introduction of GPS-enabled tracking collars that reduced weight by 75% while extending battery life to 2+ years
The development of biodegradable radio transmitters that dissolve harmlessly after a pre-programmed monitoring period
The launch of satellite-linked tags that could transmit data through dense forest canopy for the first time
The creation of solar-powered tracking devices that eliminated the need for battery replacement procedures