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Uses photography and computer animation to explore evolution through natural selection. Examines different aspects of natural selection, including genes, results of environmental pressure, best-adapted individuals, and the passing of genes to future generations. Discusses divergent, convergent, and parallel evolution, fossil dating methods, genetic drift, bottleneck, and founder effect
From the Gobi to the Sahara, one-third of the earth's surface is covered in deserts and arid lands. Suprisingly, these desolated places are full of life
Join Dr. Brian Jerome "on location" in search of invertebrates from the Okeefenokee Swamp to the Atlantic beaches and beyond. Based on the National Science Standards, this is totally curriculum-linked
This program presents a gentle, curriculum-based introduction to puberty. Viewers will learn what is "normal" for boys and girls at puberty: the biological facts of physical maturation; the timeline for growth for both sexes; the normal feelings of self-consciousness; the need for good personal hygiene; why mood swings happen; and preparation of the body for human sexuality and reproduction. Includes a discussion of abstinence
How do nerve impulses travel through the body? This program answers this question and others as it explains some of the important functions of the nervous and endocrine systems. Discusses sensory organs, central and peripheral nervous systems, hormones, glands, stimuli, neurons, sensory neurons, nerve impulse, motor neurons, interneurons, effector, synapse, adrenal glands, and adrenaline. Available in VHS or DVD formats. Select title AND format when ordering
Explores the features of the digestive and excretory systems. Includes nutrients, proteins, amino acids, carbohydrates, vitamins, stomach, mechanical digestion, chemical digestion, ingestion, esophagus, peristalsis, small and large intestines, excretion, nephrons, and kidneys. Available in VHS or DVD formats. Select title AND format when ordering
Investigates the circulatory and respiratory systems. Discusses cardiovascular system, arteries, veins, capillaries, aorta, septum, ventricle, pulmonary circulation, systemic circulation, coronary circulation, blood pressure, plasma, red and white blood cells, platelets, alveoli. Available in VHS or DVD formats. Select title AND format when ordering
Examines the classification system and looks at the traditional five kingdoms: Monera, Protista, Fungi, Planate, and Animalia. Discusses how this five-kingdom approach to classification has been modified as a result of recent discoveries about different types of bacteria, and that the ways in which we categorize living things will continue to change as new discoveries are made
Using exotic footage from around the world, this program involves students in an exploration of how all animals are different. Investigates many of the characteristics that separate animals into different groups, such as vertebrates and invertebrates. Many types of animals are examined: sponges, worms, mollusks, insects, fish, birds, mammals, reptiles, and more