Animal and Plant Cell

Think you can tell a yam from a yak? Examine these still images of typical plant and animal cells from Biology by Kenneth R. Miller and Joseph Levine. What similarities and differences can you find?

Animal Coverings

It takes a thick skin to withstand the hardships that life has to offer. This collection of images shows a variety of animals, each with a slightly different type of protective covering.

Animal Mouths

This collection of images of six different creatures, including insects and carnivorous vertebrates, illustrates the wide range of mouth types that exist within the animal kingdom.

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Bird Beak Gallery

This collection of images of 10 different birds illustrates the diversity of bird beaks.

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Bird Food

There are almost as many types of bird beaks as there are types of food that birds like to eat. This collection of images shows a wide range of beaks and the types of foods handled by each.

Colorful Creatures

For animals, bright, flashy coloration can serve as a warning or as an invitation. Either way, colorful skin, feathers, and scales yell, "Notice me!" This collection of images shows examples of some of the world's most colorful creatures.

Electron Transport Chain

This illustration from Biology by Kenneth R. Miller and Joseph Levine describes the steps of the electron transport chain, the second stage in the process of cellular respiration.

Gallery of Cells

While all cells have a great deal in common, there is no end to the variation among them. These images provide a sense of the wondrous diversity found in the world of cells.

How the Woodpecker Avoids a Headache

This diagram from Rainbird Publishing describes the specialized physical characteristics that allow woodpeckers to create some of the most secure nests in the bird world.

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Inside a Seed

This image from Biology by Kenneth R. Miller and Joseph Levine illustrates the five most important parts of a seed: the seed coat, the endosperm, and the embryo's primary root, cotyledon, and embryonic leaves.

Jaws and Teeth of Mammals

This image from Biology by Kenneth R. Miller and Joseph Levine illustrates the relationship between structure and function by comparing the jaws and teeth of two animals with very different ways of life: the wolf and the horse.

Krebs Cycle

This illustration from Biology by Kenneth R. Miller and Joseph Levine describes the steps of the Krebs cycle, the critical first stage in the process of cellular respiration.

Seeds Away

This collection of images shows several types of plant seeds, each with a different mechanism for dispersing from the parent plant.