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.

Cultivation, production and manufacture

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

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

Regarding efforts to eradicate cannabis cultivation, a number of countries were reported to be studying cannabis cultivation and its socio economic impact and assessing the feasibility of implementing alternative development programmes to tackle illicit cannabis cultivation.

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.

Rapid cultivation assessments in February 2005, however, indicated a general decrease in cultivation, apparently linked to lower opium prices and non planting in some regions.

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 decline in cultivation is important and encouraging and was a result of the compliance of Afghanistan's farmers with the Government's anti cultivation messages or eradication policy.

59 160. Control of cultivation of and trafficking in cannabis

It was noted that alternative development would be appropriate if there was a clear threat of overflow of cultivation from other major areas affected by illicit crop cultivation.

Since the first reporting period, the States affected by illicit cultivation of coca bush and opium poppy have adopted national plans to reduce and eventually eliminate such cultivation.

In 2003, coca bush cultivation was less than half of its level in 1994. With regard to cannabis cultivation, further efforts by the international community are urgently needed.

Good progress has also been made in eliminating coca bush cultivation.

With record production of an estimated 4,200 tons of opium in Afghanistan, UNODC's 2004 opium cultivation survey registered a 64 per cent increase in the area under cultivation in that country.

Illicit cultivation continues to be intricately related to poverty in rural areas.

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.

Other areas of critical concern include the cultivation of and trade in narcotics.

The Special Rapporteur welcomes the steady and remarkable reduction in opium poppy cultivation.

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

With regard to the comments of the representative of Pakistan concerning UNODC estimates of cultivation and trafficking, he pointed out that UNODC was currently monitoring cultivation in approximately one dozen countries around the world.

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

This was in part due to the reduction of coca bush cultivation in Colombia.

The cultivation of benevolence ( mettā bhāvanā ) is a popular form of meditation in Buddhism.

A number of representatives reported on efforts to eradicate cannabis cultivation in their countries.

Some speakers expressed concern about the increased level of opium poppy cultivation in Afghanistan.

However, policies to replace pastoralism with sedentary cultivation in rangelands can contribute to desertification.

Some speakers expressed concern about the increased level of opium poppy cultivation in Afghanistan.

CHAPTER VII TECHNICAL COOPERATION IN OLIVE CULTIVATION, OLIVE OIL EXTRACTION AND TABLE OLIVE PROCESSING