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Home > All Images > 2004 > December > 7 Dec 2004

Images Dated 7th December 2004

Choose from 53 pictures in our Images Dated 7th December 2004 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Western clown anemonefish Featured 7 Dec 2004 Image

Western clown anemonefish

Western clown anemonefish (Amphiprion ocellaris) hiding amongst the tentacles of its host sea anemone. This fish has a symbiotic relationship with the anemone. It is immune to the poisonous stings of the anemone's tentacles as it has a layer of protective mucus on its skin. When threatened by predators it dashes back into the anemone's tentacles. The anemone does not appear to derive any benefit from the fish's presence, but it is not harmed either. This type of relationship is called commensalism. Photographed off Sipadan, Malaysia


Leaf chlorophyll deficiency Featured 7 Dec 2004 Image

Leaf chlorophyll deficiency

Leaf chlorophyll deficiency. Healthy leaf (left) and a leaf suffering from chlorosis (right). This is a condition where lack of chlorophyll (a green pigment found in leaves) causes a leaf to turn a pale green or yellow colour. Chlorophyll is needed by plants to produce food. Causes of chlorosis can include mineral deficiency (usually iron), damage to the plant's roots, or an alkaline soil. The last two causes prevent or reduce iron uptake from the soil. Iron is not found in chlorophyll, but is essential for its formation. Chlorosis treatment may involve adding nutrients to the plant directly or through the soil


University College Hospital, London Featured 7 Dec 2004 Image

University College Hospital, London

University College Hospital, London, UK. Founded in 1834 as a teaching hospital for students at University College London (UCL), University College Hospital has since expanded heavily. Three buildings are shown, representing three stages in its architectural life: early Victorian, 1960s and modern

© Alex Bartel/Science Photo Library