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Posts Tagged "Green algae"

The Artful Amoeba

Wonderful Things: Don’t Eat the Pink Snow


If you stumbled one midsummer on the melting snow in the image below, what would you imagine produced the strange color? Here’s another example with a pinker hue, from further out. Here’s a poorer example that I stumbled on myself on July 4, 2011 on Long’s Peak in Colorado: When an 1818 British expedition led [...]

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The Artful Amoeba

Green Alga Found to Prey on Bacteria, Bolstering Endosymbiotic Theory


A green alga with throat- and stomach-like structures can swallow and digest bacteria when deprived of light, further bolstering Lynn Margulis’s widely accepted idea that the origin of the plant-powering chloroplast was a fortuitous bout of indigestion. Termed “Endosymbiotic Theory“, the idea is that early nucleated cells called eukaryotes ate bacteria that managed to escape [...]

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The Artful Amoeba

Wonderful Things: Desmids, Microscopic Plants of Unusual Beauty and Oddball Behavior


Sometimes I want to show you something just because it’s wonderful. So today I’m introducing a new feature: Wonderful Things. The name is taken from my blog’s masthead, but is also inspired by Howard Carter. When he broke in to the tomb of Tutankhamun, he stuck a candle in the hole and surveyed the contents. [...]

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On the leaves of sea lettuce, the luckiest survive


Charles Darwin described life as an eternal struggle for existence. Species compete for a limited amount of space and resources, so only those varieties that are best adapted to their niche will survive. The logic behind this reasoning is sound, yet it doesn’t apply to microbes living on sea lettuce. This humble seaweed picks bacteria on [...]

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