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Frogs are a species of amphibian. In recent years, there has been a decline in the numbers of amphibians worldwide.…
Frogs are a species of amphibian. In recent years, there has been a decline in the numbers of amphibians worldwide. This decline is thought to be caused by many things....
Test your knowledge on ecosystems, vegetation, and erosion.
Test your knowledge on ecosystems, vegetation, and erosion.
The scientists were interested in discovering whether the Pacific tree frog population might also be affected by the presence of nonnative trout, similar…
The scientists were interested in discovering whether the Pacific tree frog population might also be affected by the presence of nonnative trout, similar to the way these trout had affected the mountain yellow-legged frog population....
Most rivers in the United States are now regulated. A regulated river is one whose flow is controlled by dams.…
Most rivers in the United States are now regulated. A regulated river is one whose flow is controlled by dams. The regulation of rivers, however, alters the relationship between rivers...