Together with the red algae (Rhodophyta) and green algae plus land plants (Viridiplantae or Chloroplastida), they form the Archaeplastida.

Here's some algae in the foreground ...

Algae produce hydrogen under certain conditions.

However, the relationships among the red algae, green algae and glaucophytes are unclear, in large part due to limited study of the glaucophytes.

There are about 8,000 species of green algae.

Lichens arose as a co op. Fungi married algae ...

The green algae were similar to today's sea moss.

The green algae and land plants have lost that pigment.

They have no teeth and generally feed on algae and invertebrates.

So this is the infamous Caulerpa taxifolia, the so called killer algae.

Synthetic Genomics has a 600 million agreement with ExxonMobil to obtain fuel from algae.

It is an omnivore, feeding on algae and various animals including mussels and limpets.

This algae is then eaten by fish and other organisms higher in the food chain.

Likewise, if too many herbivorous fish are removed, algae gain a competitive advantage over the corals.

Diatoms are a major group of algae, and are among the most common types of phytoplankton.

History In 1939 a German researcher named Hans Gaffron, while working at the University of Chicago, observed that the algae he was studying, Chlamydomonas reinhardtii (a green algae), would sometimes switch from the production of oxygen to the production of hydrogen.

Photolysis of water occurs in the thylakoids of cyanobacteria and the chloroplasts of green algae and plants.

An algal mat is a layer of usually filamentous algae on marine or fresh water soft bottoms.

However, they are absorbed, usually as methyl mercury, by algae at the start of the food chain.

The use of food micro algae to combat acute malnutrition in humanitarian emergencies and for sustainable development

The color of my teeth now is green because of sea algae, but, they're still prettier than the dictator's teeth.

Many of the coralline algae, which secrete calcium carbonate and play a major role in building coral reefs, belong here.

Just an amazing animal, it can change color and texture to match the surroundings. Watch him blend right into this algae.

The water condition of the rivers has improved since 2001 2007, but there is an increase in population of blue green algae.

It accepts algae and detritus in one end, and through this beautiful, glamorous set of stomach organs, out the other end comes cleaner water.

This is my baseline This is the Mediterranean coast with no fish, bare rock and lots of sea urchins that like to eat the algae.

The more nutrients that enter the water (run off from nearby land), the more the algae are favored, until, at some point, they take over.

About 30,000 species of algae are included, of which the Rhodophyta (6000 species), marine Chlorophyta (1500 species), and Phaeophyceae (1755 species) are the most complete.

Stresses the benefits of food micro algae as a concrete aid in reducing acute malnutrition in food emergencies and chronic malnutrition among severely disadvantaged populations

We end up with things we've heard about before red tides, for example, which are blooms of toxic algae floating through the oceans causing neurological damage.

As part of the carbon cycle, plants, algae, and cyanobacteria use light energy to photosynthesize carbohydrate from carbon dioxide and water, with oxygen produced as a waste product.

The whole animal world today lives on a stockpile of bacterial oxygen that is cycled constantly through plants and algae, and their waste is our breath, and vice versa.

Most of the reefs are dead, most of the corals are dead overgrown by algae and most of the fish are smaller than the pencils we use to count them.

The most exciting prospect held out by Venter, however, is a form of algae that can absorb carbon dioxide from the atmosphere and use it to create diesel fuel or gasoline.

In 2000 it was discovered that if C. reinhardtii algae are deprived of sulfur they will switch from the production of oxygen, as in normal photosynthesis, to the production of hydrogen.

The introduction of the flue gas mostly occurs at the bottom of the box to ensure that the carbon dioxide has enough time to interact with algae in the reactor fluid.

The findings were unexpected as it was previously believed that the plankton grows only after the seasonal ice melt, yet some algae was discovered under several metres of intact sea ice.

Aiming to enhance the provision by the United Nations system of humanitarian assistance through the creation of a stockpile of food micro algae rehabilitative biomass to be used in food emergencies,

The corals that form the structure of the great reef ecosystems of tropical seas depend upon a symbiotic relationship with algae like unicellular flagellate protozoa that are photosynthetic and live within their tissues.

Calls upon Member States, United Nations agencies and other intergovernmental organizations, and on non governmental organizations and the private sector, to provide support for food micro algae production and use, especially in humanitarian crises

Slow growth is manageable. Negative growth is not.

In other words, economic growth should be viewed as growth in wealth, not growth in GNP.

And these are three possibilities that we are working on to build hybrids, driven by algae or by the leaves at the end, by the most, most powerful parts of the plants, by the roots.

Red algae such as dulse (Palmaria palmata) and laver (nori gim) are a traditional part of European and Asian cuisines and are used to make other products such as agar, carrageenans and other food additives.

Emphasizes the importance of intensifying and assisting national activities for the production and use of food micro algae, especially in member countries of the Intergovernmental Institution for the Use of Micro alga Spirulina against Malnutrition