Biology

Taxonomic notes, physical description, range, and ethnobotany of Florida Arrowroot.

Image.

Physical description, common names, and scientific classification.

image

water sedge

Close up photograph of an individual flower.

Image.

Pacific Island Ecosystems at Risk (PIER) survey of the plant's range and control.

Physical characteristics of leaf, flower, fruit, twig, and bark. Includes images.

Student project including classification, habitat, adaptation, nutrition, reproduction and interactions with other species.

Image.

Common names include chinquapin and Allegheny chinkapin. Covers taxonomy, botanical and ecological characteristics, uses and values, management considerations including susceptibility to chestnut blight, and fire effects.

Distribution, occurrence, value and use, characteristics, and fire ecology.

Information on distribution and occurrence, value and use, characteristics, and fire ecology.

Distribution and occurrence, value and use, characteristics, and fire ecology.

Images of entire tree and of other physical features of this species.

Physical description, range, habitat, biology, threats, and conservation information. Includes a photo.

Images of branches and flower of this tree.

Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology.

Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology.

Magnified image of growing shoot tip.

Photographs of flowering plants and shoots.

Images of foliage.

General information and classification.

General information and photo.

Photograph of young leaves and flowers.

Description of the plant, its distribution and the problems it causes, plus detailed information on management techniques. From the Plant Conservation Alliance.

Species information from the U.S. Department of Agriculture/Forest Service's Fire Effects Information System.

Photograph and detailed description of bracken.

Entry in invasive and exotic species of North America, a joint project of The Bugwood Network, USDA Forest Service and USDA APHIS PPQ.

Human Genome Project. Downloadable e-text from Project Gutenberg.

Human Genome Project. Downloadable e-text from Project Gutenberg.

Human Genome Project. Downloadable e-text from Project Gutenberg.

Human Genome Project. Downloadable e-text from Project Gutenberg.

Provide up-to-date information about genetic variation of the adenylosuccinate lyase gene. Includes cDNA sequence and gene structure.

Organization dedicated to promoting gene therapy research through public education, scientific meetings and scientific committees targeting specific therapeutic areas and also vector technology.

Multidiscipliniary working group aimed at bringing together scientists, clinicians and industry active in the field of gene therapy.

The mission of the Transgenic-Knockout Animal Core Facility is to produce genetically-altered mice for the UMASS Medical School Community.

KOMP is a trans-NIH initiative to generate a public resource of mouse embryonic stem cells containing a null mutation in every gene in the mouse genome.

Biology, identification and control of white-footed ants.

Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation.

The Insect Company provides photographs of a number of butterflies from South America.

Illustrated article by Robert Michael Pyle about the European skipperling butterfly, Thymelicus lineola, and its first discovery in Washington state.

Species account describes life history, identifying characteristics, habitat, and conservation status. Photos and range map provided.

Photographs of this species taken in Michigan.

Photos plus facts about foodplants, distribution, and similar species.

Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation.

Describes the life history, ecology, and range of this species. Includes image and range map.

Provides photographs of different life stages of this species, its distribution, description and life cycle.

Dedicated to the study of the monarch butterfly and its yearly migration.