Unit 1: Ecosystems

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

Green walls use plant processes to improve air quality in buildings.

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.

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 some work that horticulturalists might do such as cultivating and caring for plants in various environments

5 images of some work that landscapers might do such as planning, planting and maintaining gardens

images of some birds in the process of building their nests

10 images of some birds' nests showing various designs, structures and materials used for building them

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