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Terrestrial Ecosystems

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

Green walls in Harvard University

Green Walls

STEM Explained

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

Narwhals, polar bears and other common Arctic animals swim in the Arctic waters.  Image © id-work, iStock

How are Arctic Animals in Canada Affected by Climate Change?

STEM Explained

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

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.

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

Eagle

Birds: Raptors (Birds of Prey)

Picture Collections

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

Blue Jay

Birds: Songbirds

Picture Collections

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

A beaver looks up from the water. Image © Jillian Cooper, iStockPhoto.com

Canadian Invaders!

STEM Explained

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

Rooster

Birds: Landfowl

Picture Collections

4 images of some birds that are heavy-bodied and ground feeders such as turkeys, pheasants and peacocks

Green tree frog

Amphibians

Picture Collections

12 images of some cold-blooded animals such as frogs and newts classified as amphibians that can live in the water or on land

Chameleon blending in its surroundings

Animals: Adaptation

Picture Collections

11 images of some animals such as lizards and Arctic Hares whose appearance has adapted to provide protection in their environments

Kitten

Animals: Babies and Adults

Picture Collections

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

Grizzly Bear

Animals: Hibernation

Picture Collections

10 images of some animals such as bears, bats, turtles and lemurs that spend the cold weather in a dormant state