Discusses the events that occur between fertilization and the embryonic stage.

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Overview of the male reproductive structures and their functions.

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Review the reproduction of different types of mammals.

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Describes how reproduction takes place in placental mammals.

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Understand the reproduction and life cycle of plants.

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Discusses how prokaryotes reproduce.

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Use this review guide to understand cell-reproduction and meiosis.

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Join Lisa and her uncle to find out about animals and how they reproduce.

Nikki is learning about plant seed dispersal methods. Join in and learn how this is important to plant reproduction.

Get the facts about the Canada Lynx. Besides finding a detailed description of this predatory feline, you?ll also learn about some of its unique facts and characteristics. Also included in this Mammal Fact Sheet on Canada Lynx is information on its habitat and habits, range, feeding, breeding, and conservation efforts. A list of resources completes the fact sheet.

Get the facts about caribou. Besides finding a detailed description of the caribou, you will also learn about some of their unique facts and characteristics. Also included in this Mammal Fact Sheet on caribou is information on their habitat and habits, range, feeding, breeding, and conservation efforts. Check out the video clips of caribou using the link near the top of the webpage. A list of resources completes the fact sheet.

In this video segment from The Secret of Life school video, "Sex and the Single Gene" follow as a single fertilized egg cell divides, differentiates, and assembles into the tissues and organs of a new organism. [1:20]

This pathway explores division of cells through mitosis and meiosis and how disregulation of these processes can lead to disease.

As part of the Invertebrates exhibit at the National Zoo, this site highlights various facts and interesting information on Chambered Nautilus. Topics covered in the overview include Physical description, Life span, Predators, Reproduction, Prey, and more.

Videos, texts, activities, and assessments about the factors that characterize living things.

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Take a journey with a sperm to see the "road" it travels to find the egg. See the fertilization process that happens as millions of sperm travel through the female reproductive system. [1:02]

Get the facts about coyotes. Besides finding a detailed description of the coyote, you'll also learn about some of its unique facts and characteristics. Also included in this Mammal Fact Sheet on coyotes is information on their habitat and habits, range, feeding, breeding, and conservation efforts. Don't forget to check out the sound clips of coyotes using the link near the top of the webpage. A list of resources completes the fact sheet.

Help Carla take care of her green plants in her plant nursery, and learn about plant reproduction.

This animated explanation introduces the concept of mitosis by reviewing the research of Walther Flemming.