Learn about the element carbon and its importance on the Earth's atmosphere and sustainability of life on the planet. Additionally, understand the role the carbon cycle plays in global climate change over time.

[Free Registration/Login may be required to access all resource tools.] The process of cell division in eukaryotic cells is carefully controlled. The cell cycle is the life cycle of a cell, with cell division at the end of the cycle....

[Free Registration/Login may be required to access all resource tools.] The life cycle of a plant is very different from the life cycle of an animal. Humans are made entirely of diploid cells (cells with two sets of chromosomes). Our...

[Free Registration/Login Required] Through this unit, children learn that plants and animals reproduce as part of their life cycle and that in every life cycle there are distinct processes and stages. They should begin to understand how...

[Free Registration/Login Required] This flipchart is set up to either teach or review the life cycles of humans, butterflies, frogs, and ducks.

PetCoach offers a full description of hookworms, a common intestinal parasite often found in dogs and cats but with the ability to infect humans. Content explores the life cycle of hookworms, the signs and symptoms of a hookworm...

This landing page includes learning modules on the following topics of: animals, plants, microorganisms, life cycles and reproductions, food chains, habits, humans and the environment, adaptation, inheritance, and evolution.

Lots of information about the black carpenter ant. Learn about their physical characteristics, colonies, life cycle, food sources, and predators. A detailed chart listing many plants and animals permits exploration of their relationships...

A brief explanation of life cycle is provided along with pictoral respresentations of three different examples of life cycles (apple tree, butterfly and frog). The term metamorphosis is introduced and the resouce has an interactive...

[Free Registration/Login may be required to access all resource tools.] Covers milestones in growth and development from birth to adulthood.

This collection of six images captures the magnificence of human development -- the transformation from baby to woman.

Students learn what insects are, how they live, how they find food, how they defend themselves, and how they affect humans. Organized into several articles accompanied by high-quality photos and video, this online exhibit provides...

Students will learn about some characteristics of different age groups, including mobility and what they eat.

A brief analysis of several Swenson poems dealing with the human life cycle, particularly death. The critic calls her style, "both abstract and concrete."

In this activity, students investigate the life cycle of an engineered product and how the product impacts the environment. They analyze a product using a simple life cycle assessment that assigns fictional numerical values for different...

By exploring the body of a boy or girl, this interactive helps the learner discover how the body changes during puberty. Click the hotspots on the child to get more in-depth information, then click on the adult to see the results.

Human bodies aren't built for extreme aging: our capacity is set at about 90 years. But what does aging really mean, and how does it counteract the body's efforts to stay alive? Monica Menesini details the nine physiological traits that...

Explore the human body's need for a normal cycle of dark and light and apply this to an understanding of biological clocks in other animals. Test the effect of light on the development of mealworm larvae into adults.

Giant Pandas only live in the mountains of southwest China. This article focuses on Giant Panda habitat, diet, life cycle and reproduction. Extensive information is given on panda babies and the contrast between life in the wild and life...

Primates are a group of mammals that include apes, humans, monkeys, and prosimians. Primate characteristics and anatomy are explored, as well as life cycles, behavior and diet. Human impacts on other primate species have been...

Horse flies and deer flies are significant pests to both humans and animals. This site describes their life cycles, feeding patterns, and some methods of controlling them.

Extensive article on mangroves. Covers classification, physical characteristics, life cycle, habitat, economic value, and natural and human threats to their survival.

Students further their understanding of the salmon life cycle and the human structures and actions that aid in the migration of fish around hydroelectric dams by playing an animated PowerPoint game involving a fish that must climb a fish...

This article introduces various species of salmon, breaking them into two groups - Pacific and Atlantic Salmon. Salmon habitat and life cycle are described. Concepts of spawning and food chain are explored. The issues of human activities...