Present information about the classification of animals. After participating in the teacher-led discussion about scientific names, small groups devise their own way of classifying everyday objects present in the classroom, developing...

Explore the microscopic organisms that live in the freshwater ponds with this video collection. These video clips feature unicellular organisms, from under the microscope, showing off their daily activities. Collection includes videos of...

Characteristics of roundworms, an intestinal parasite, are described, including anatomy, reproduction, habitat, and what happens when a human is infected by them.

Describes roundworm characteristics, including their classification, habitat, reproduction, infection of humans and pets, and how they are transmitted to other hosts. Includes some examples and the diseases they cause.

The Encyclopedia of Life presents this in-depth overview of Human Roundworms (Strongyloides stercoralis), including their habitats, size, conservation status, and much more. Images of this species and maps of its global distribution can...