tropism

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Examine the role of sunlight and gravity in phototropic and geotropic plant growth

Tropism (Top) Phototropism shown in the multiple exposure of a fungus fruiting body; (bottom) geotropism shown in the multiple exposure of oat coleoptiles.

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Plant seedlings emerging from rich fertile soil

Do Plants Feel Pain?

Discover

American bison (Bison bison) also known as buffalo or plains buffalo on the prairie, western U.S.

What’s the Difference Between Bison and Buffalo?

Baseball laying in the grass. Homepage blog 2010, arts and entertainment, history and society, sports and games athletics

10 Greatest Baseball Players of All Time

Computer mapping, woman at early 1990s computer

Timeline of the 1990s

Two puppies and a kitten, puppy playfully biting kitten's head

Why Are the Babies of Mammals Cute?

Bog body. Head of Tollund Man. Died at about age 30-40, Dated to about 280 BCE early Iron Age. Found Bjaeldskovdal bog Denmark in 1950 near Elling Woman. Most well preserved bog body to date. Human remains mummified in natural peat bogs. mummy, embalm

9 Noteworthy Bog Bodies (And What They Tell Us)

Battle of Puebla. Cinco de Mayo. General Porfirio Diaz leads Mexican cavalry to victory against the French lead by General Charles Lorencez at Puebla, Mexico April 2, 1867. Oil on canvas, 1902. May 5, 1862. General Ignacio Zaragoza

Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)

Cruel and Unusual Punishments: 15 Types of Torture

tropism: Media

biology

Videos

Examine the role of sunlight and gravity in phototropic and geotropic plant growth

Examine the role of sunlight and gravity in phototropic and geotropic plant growth

Plants' stems grow in the direction of a light source (phototropism), whereas their...

Video: Encyclopædia Britannica, Inc.

Images

Tropism (Top) Phototropism shown in the multiple exposure of a fungus fruiting body; (bottom) geotropism shown in the multiple exposure of oat coleoptiles.

Tropism (Top) Phototropism shown in the multiple exposure of a fungus fruiting...

Courtesy of D. Dennison, Dartmouth College, Hanover, N.H.

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