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Content Knowledge: CK 1

Head of an Elk

Mammals: Herbivores

Picture Collections

15 images of some warm-blooded vertebrate animals such as cows, deer and giraffes that eat plant vegetation

Fox

Mammals: Omnivores

Picture Collections

10 images of some warm-blooded vertebrate animals such as brown bears and chimpanzees that eat a diet of plants and animals

How does water move up a plant?

How does water move up a plant?

Hands-on Activities

Do an experiment with celery to learn about the structures that help plants take up water.

dung beetle rolling dung

How to Find a Mate When You Smell Like Dung

STEM Explained

Some dung beetles use alternative reproductive tactics to increase their chances of finding a mate. Learn what this tells us about evolution and biodiversity.

Monarch Butterfly

Insects: Part 3

Picture Collections

20 images of some animals such as ants and mosquitoes that have 6 legs and 3 main body parts consisting of a head, thorax and abdomen

Ant, showing mandibles

Insects: Part 1

Picture Collections

10 images of some animals such as ants and mosquitoes that have 6 legs and 3 main body parts consisting of a head, thorax and abdomen.

How do I construct a terrarium?

How do I construct a terrarium?

Hands-on Activities

You can make your own terrarium for growing plants!

 A forest damaged by pine beetles

How Do Introduced Species Affect Ecosystems and the Economy?

STEM Explained

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.

bees on frame held by beekeeper

How are the World's Bee Populations Doing?

STEM Explained

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

Canaries were once used to signal dangers to miners. - Image © Vito Cangiulli, iStockPhoto.com

How Can Birds Help Monitor the Health of Ecosystems?

STEM Explained

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

Salmon aquaculture pens

Farmed Salmon vs. Wild Salmon

STEM Explained

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

Goldfish

Fish: Freshwater

Picture Collections

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

Clown Fish

Fish: Saltwater

Picture Collections

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

Water Lily

Flowers: Cup Shape

Picture Collections

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

Iris

Flowers: Irregular Shape

Picture Collections

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