Food for Waterbears

Food for Waterbears

Some waterbears are carnivores, they eat rotifers, nematodes, protozoa, etc. and some waterbears are herbivores, they eat parts of the moss plant or algae.  These are close up pictures of the tardigrade mouth.  You can see the mouth, the buccal tube, the stylet supports, the pharynx and

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Most Extreme Survivor

Most Extreme Survivor

When a waterbear is in an unfavorable environment it can go into cryptobiosis.  This is basically dying and then when conditions return to normal they come back to life.  To do this they expel all the water from their bodies, pull in all their appendages, and bring

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Parthenogenesis

Parthenogenesis

  Parthenogenesis is the ability of the female in a species to reproduce without the male to fertilize the eggs.   Tardigrades have both kinds of populations around the globe, the all female and the male/female.  Parthenogenesis allows for the lone tardigrade female to populate a new

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Tardigrade Teeth

Tardigrade Teeth

Waterbears don’t actually have teeth the grinding parts of their mouth are called placoids.  They are the small dark spots that look like stones in a circle.  The pharynx around the placoids expands and contracts in order to chew the food.  The Y shaped structure at the

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Plethora of Eggs

Plethora of Eggs

There are as many different kinds of eggs as there are tardigrades. The two main types are smooth and spiny. The smooth eggs are laid in the old exuviae of the mother.  The spiny ones are laid right into the environment and they latch onto it with

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Tardigrade Family

Tardigrade Family

    In many tardigrade populations there are males, females, juveniles and eggs. There are some populations that only have females, juveniles and eggs.  This is a phenomenon called parthenogenesis where the females can lay unfertilized eggs that grow up to be clones of the original female

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Stealthy Sea Swimmers

Stealthy Sea Swimmers

  Sea lions are quite large in person. On land sea lions look cuddly and lazy, I have even seen penguins walk right by them.  In the water they are stealthy and active, they also look dangerous when hungry.  It is amazing that they have such different personalities

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