Page 446: Earth's Biomes

Biome Basics
A biome is a region on Earth that has a certain set of characteristics. Some examples of biomes are desert, grassland, and tundra. Learn more about each of the biomes on Earth by investigating this site. Which biome has the most area on Earth?

The World’s Biomes
This page groups biomes into five categories. Select a biome. What are the characteristics of that biome?

Biome’s of the World
Click on the rainforest biome icon to view more information about rainforests. What two groups are rainforests divided into?

Page 450: The Size of the Human Population

U.S. Bureau of the Census
According to current information from the U. S. Census Bureau, the world's population increases by about 250 people every minute. Find out how fast the world's population is growing by investigating this site. How large is the human population expected to be in 10 years?

Census Bureau - Popclocks
Record the date and time. What are the current U.S. and world population estimates? Visit this site again in a few days. How much has the U.S. and world population grown in that period of time?

Page 463: Career Connection: Veterinary Medicine

The Princeton Review
What are some things that typically happen during a day in the life of a veterinarian?

What Is a Veterinarian?
There are several different specialties in veterinary medicine. Click on the different areas to learn more about them.

Page 536: Field Guide - Insects

Enchanted Learning - Insects
This "insect printouts" page lets you choose an insect to view, read about, and print out. How many body parts do insects have?

Bugbios
Follow the instructions at this Web site to learn more about insects.