Strand B: Sustainable Ecosystems and Climate Change

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

Aquaculture is seen as a sustainable way to produce fish. But are farmed salmon better than wild fish?

4 images of some fish such as koi that live in freshwater river and lake environments and in freshwater aquariums and garden ponds

14 images of some fish such as lion fish, grouper and sharks that live in saltwater environments like oceans, saltwater lakes and aquariums

8 images of some flowerheads such as roses and water lilies whose outer petals are longer than the petals in the centre of the flower

3 images of some asymmetrical flowerheads such as an iris and an Orchis Sima or Monkey Orchid

7 images of some symmetrical flowerheads such as asters and sunflowers whose petals radiate from the centre of the flower

5 images of some flowerheads such as petunias and lilies that start as a narrow base and widen to an open shape

5 images some work that a scientist who studies the Earth's soil might do such as classifying types of soil and measuring the slope of soil

When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!

5 images of predatory birds that hunt and feed on other animals such as eagles, the Great Horned Owl and vultures

10 images of some birds such as finches, chickadees and cardinals that produce sounds and calls in a musical way

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

5 images of some work related to the scientific study of climate such as using instruments to measure changes in climates

5 images of some work that farmers do such as feeding cows, planting fields and harvesting grain