Final answer:
The increase in game populations since the early 1900s is attributed to improved wildlife management and conservation practices. These practices include creating protected areas, regulating hunting, and managing resources sustainably, contrary to increased pollution and habitat destruction that led to declines in the past.
Step-by-step explanation:
We have more game now than in the early 1900s due to improved wildlife management and conservation practices, significantly different from circumstances in the past where there were fewer regulations and less awareness of conservation needs. Early conservation efforts began in the 19th century and have evolved over time to more sophisticated approaches, like creating national parks, implementing strict hunting regulations, and establishing no-take zones and wildlife sanctuaries. These efforts have helped to increase biodiversity, manage resources sustainably, and control hunting to ensure wildlife populations are maintained or increased.
It is incorrect to say that biodiversity will increase as the human population increases due to habitat loss, increased pollution, and climate change. In reality, these factors typically contribute to a decrease in biodiversity. Increased human population often leads to unsupportable resource use and habitat destruction, exacerbating the problem for wildlife populations. Effective conservation practices take a nuanced approach, balancing the need to protect species while sometimes allowing for controlled and sustainable use.