Plant

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Green algae

Land plants (embryophytes)

Nematophytes

Plants are living organisms belonging to the kingdom Plantae. They include familiar organisms such as trees, herbs, bushes, grasses, vines, ferns, mosses, and green algae. About 350,000 species of plants, defined as seed plants, bryophytes, ferns and fern allies, are estimated to exist currently. As of 2004, some 287,655 species had been identified, of which 258,650 are flowering and 18,000 bryophytes (see table below). Green plants, sometimes called metaphytes or viridiplantae, obtain most of their energy from sunlight via a process called photosynthesis.

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News tagged with plants

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Golden Oldie: Key Role for Ancient Protein in Algae Photosynthesis

Golden Oldie: Key Role for Ancient Protein in Algae Photosynthesis

Biology / Biotechnology

created Nov 27, 2009 | popularity 3 / 5 (2) | comments 2

The discovery that an ancient light harvesting protein plays a pivotal role in the photosynthesis of green algae should help the effort to develop algae as a biofuels feedstock. Researchers with the Lawrence ...


Workers at the Statkraft Osmotic power plant prototype in Tofte

Harnessing the power of salt, Norway tries osmotic power

Technology / Energy

created Nov 23, 2009 | popularity 4 / 5 (5) | comments 4

After wind, sun, currents and tides, a company is preparing to make clean electricity by harnessing another natural phenomenon, the energy-unleashing encounter of freshwater and seawater.


Insect resistance to Bt crops can be predicted, monitored and managed

Biology / Ecology

created Nov 23, 2009 | popularity not rated yet | comments 0

Since 1996, crop plants genetically modified to produce bacterial proteins that are toxic to certain insects, yet safe for people, have been planted on more than 200 million hectares worldwide. The popularity of these Bt ...


It's a gas: New discovery may lead to heartier, high-yielding plants

Biology / Biotechnology

created Nov 23, 2009 | popularity 3.7 / 5 (3) | comments 0

In a research report published in the November 2009 issue of the journal Genetics, scientists show how a family of genes (1-aminocyclopropane-1-carboxylate synthase, or ACS genes) are responsible for production of ethyle ...





Search results for plants


Whiteflies sabotage alarm system of plant in distress

Whiteflies sabotage alarm system of plant in distress

Biology / Plants & Animals

created Nov 26, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- When spider mites attack a bean plant, the plant responds by producing odours which attract predatory mites. These predatory mites then exterminate the spider mite population, thus acting ...


Got a pain? -- Have a cup of Brazilian mint

Biology / Plants & Animals

created Nov 24, 2009 | popularity 4.6 / 5 (9) | comments 0

For thousands of years it has been prescribed by traditional healers in Brazil to treat a range of ailments from headaches and stomach pain to fever and flu.


Time-Tunneling for Climate Change Clues

Time-Tunneling for Climate Change Clues

Biology / Ecology

created Nov 23, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- If you look closely at individual plant species' responses in the past, you may find that the largest effects of high carbon dioxide (CO2) levels occurred decades ago, according to Agricultural ...


Ice Cold: Cooler Than Being Cool

Ice Cold: Cooler Than Being Cool

Biology / Cell & Microbiology

created Nov 24, 2009 | popularity 4.2 / 5 (10) | comments 0

(PhysOrg.com) -- Water expands when it freezes. Anyone who has ever left a can of soda or bottle of water in the freezer too long has witnessed this first hand. So how do plants and animals survive severe ...


When camouflage is a plant's best protection

Rare woodland plant uses 'cryptic coloration' to hide from predators

Biology / Plants & Animals

created Nov 25, 2009 | popularity 4.5 / 5 (4) | comments 0

It is well known that some animal species use camouflage to hide from predators. Individuals that are able to blend in to their surroundings and avoid being eaten are able to survive longer, reproduce, and ...


New Switchgrass Germplasm Collected in Florida

New Switchgrass Germplasm Collected in Florida

Biology / Ecology

created Nov 26, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Agricultural Research Service (ARS) scientists and cooperators have collected 46 new populations of switchgrass in Florida, adding valuable new accessions to the germplasm collection of this ...


Climate experts debate strategies for reducing atmospheric carbon and future warming

Climate experts debate strategies for reducing atmospheric carbon and future warming

Space & Earth / Environment

created Nov 25, 2009 | popularity 2.6 / 5 (13) | comments 20

(PhysOrg.com) -- Reducing carbon dioxide to safe levels may require extracting carbon from the air, says Cornell climate researcher.


Obama to plead US case at global warming summit (AP)

Obama to plead US case at global warming summit

Space & Earth / Environment

created Nov 26, 2009 | popularity 1.7 / 5 (6) | comments 2

(AP) -- President Barack Obama will commit the United States to substantial cuts in greenhouse gas pollution over the next decade - despite resistance in Congress over higher costs - when he travels to a ...


It's not just dirt!

Space & Earth / Environment

created Nov 25, 2009 | popularity 4 / 5 (4) | comments 0

Soil is the linchpin of the environment, where atmosphere, biosphere, and hydrosphere meet. Despite that, many students see soil as "just dirt" - a place to grow plants, but nothing more. Soil science educators are challenged ...


'Safety valve' protects photosynthesis from too much light

Biology / Cell & Microbiology

created Nov 25, 2009 | popularity 4.7 / 5 (3) | comments 0

Photosynthetic organisms need to cope with a wide range of light intensities, which can change over timescales of seconds to minutes. Too much light can damage the photosynthetic machinery and cause cell death. Scientists ...



List of search results for plants