Skip to main content

Unit 2: 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.

Lawn mower mowing grass

How Do Plants Use Chemical Signalling?

STEM Explained

How do plants use scents? Learn how some plants use chemical signals to send messages to animals or other plants.

Green walls in Harvard University

Green Walls

STEM Explained

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

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.

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

Sunflower

Flowers: Radial Shape

Picture Collections

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

Petunias

Flowers: Trumpet Shape

Picture Collections

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

a boy looks at a hamburger

Do You Know What's On Your Plate?

STEM Explained

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.

Massive algal bloom

Eutrophication: Why you should care about pond scum

STEM Explained

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

Grey Herons Building Nest

Birds: Nest Construction

Picture Collections

images of some birds in the process of building their nests

Nest With Eggs

Birds: Nests

Picture Collections

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