Unit A: Biological Diversity

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

Wind power is a growing source of electricity generation. But wind projects often affect local wildlife populations, and researchers are using environmental monitoring techniques to alleviate some of these impacts.

12 images of some birds such as seagulls, puffins, ducks and Canada Geese that live on or around freshwater or saltwater habitats

4 images of some birds such as emus and penguins that have less developed or small wings and have evolved over time not to be able to fly

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

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

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

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

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

10 images of some animals such as salmon, Monarch butterflies, whales, zebras and wildebeast that move seasonally from one region to another

5 images of invertebrates such as spiders and scorpions characterized by having 4 pairs of segmented legs, 2 main body parts and simple eyes