Unit B: Ecosystems and Population Change

When a species ends up outside of its natural zone, the consequences on other species, ecosystems and human industries can be severe. Climate change and human activities can introduce species into new zones.

How do different populations adapt to their environment? Let’s explore this concept through guppy speciation.

Arctic animals have evolved to thrive in harsh arctic ecosystems, but the environmental footprint created by climate change is affecting their survival.

Bees are important for agriculture. But bee populations face threats. This resource looks at Colony Collapse Disorder, herbicides & pesticides, and more.

Scientists can observe birds to get useful information about the health of, and changes in, an ecosystem.

In 2013, many Europeans learned their beef lasagnas were actually made of horse meat. Learn about food fraud, and how a Canadian invention can help detect it.

Beavers are a Canadian symbol. But in South America, they’re considered an invasive species.

20 images of animal pairs such as polar bears, turtle, dogs and birds in their juvenile and adult stages of life

Wind power is a growing source of electricity generation. But wind projects often affect local wildlife populations, and researchers are using environmental monitoring techniques to alleviate some of these impacts.