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

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.

Learn about viruses of humans and other animals, the Baltimore classification system, and the HIV life cycle.

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

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.

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

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...

In this whiteboard lesson, students explore the stages of human life and draw comparisons with different animals. A variety of diagrams are provided to help communicate this concept.

[Free Registration/Login may be required to access all resource tools.] The first year after birth is called infancy. Infancy is a period when the baby grows very fast. During infancy, the baby doubles in length and triples in weight....

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...

[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...

This database includes life cycles, images, and diagnosis information for several parasites that can infect humans. The search does work better using scientific names.

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

An introduction to our solar system: the planets, our Sun and our Moon. Students begin by learning the history and engineering of space travel. They make simple rockets to acquire a basic understanding Newton's third law of motion. They...

What exactly happens when you ovulate? This tutorial explains what happens including what hormones are released and when.

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.

Join NASA in its study of oceanography and learn about the Earth system, the physical ocean, and life in the ocean. Try out the Giovanni: Earth Data Visualization Tool and access satellite-derived data to enhance the learning experience.

Describes types of flatworms that are parasitic to humans and animals and what their life cycle looks like. Two or more hosts are needed for them to complete their life cycle.

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

What is an amphibian? Kids learn about these cold blooded animals including salamanders, frogs, and toads. Lifecycle such as tadpole and metamorphosis.

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...

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...

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.

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...