Have you ever thought about all the differences and similarities among the animals species on Earth? You'll get a chance to learn some interesting facts about animals in the book, Animals by the Numbers.
Define these terms from Animals by the Numbers and include the source of the definition.
What are the two groups that scientists often divide animals into?
What is the estimated number of animal species?
Out of the animal species, what is the largest group? How does the graphic help you understand this?
What are some of the largest animals alive today? How about in the past?
What are some of the smallest animals alive today? How about in the past?
Even though elephants are the largest land animals, they only make up about 2 million tons of the earth's biomass whereas termites make up about 700 million tons. Why do you think that is?
What is the fastest animal? What is the slowest?
How many hours of sleep do humans normally get compared to other species? How many hours do you usually sleep each night?
Why do you think smaller animals tend to have faster heart rates than larger animals?
What are some of the animals that have horns? Why do you think they have horns?
Why do you think the author chose to depict tongue lengths with two different graphs?
Are you surprised by how loud some of the animals depicted can be? Why or why not?
Why do you think the author chose to use the flow chart kind of graph to look at how an armadillo makes decisions?
What is the difference between poisonous animals and venomous animals?
What animal appears to be the deadliest for humans?
What are the highest and lowest places on Earth that animals live? What animals live there?
What are the hottest and coldest places that animals live? What animals live there?
Some animals migrate over vast distances. Why do you think they do that?
What is a mass extinction? How many have there been over the centuries?
What kinds of things are threatening endangered species? Do you think there's hope for saving them?