Kroužkovci

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palolo zelený

palolo zelený

pijavka lékařská

This is the first story in a four-part, weekly series on taxonomy and speciation. It’s meant to help you as you participate in Armchair Taxonomist — a challenge from the Encyclopedia of…

nereidka hnědá

Nereis: The large, strap-shaped upper ligule in the posterior notopodia is very helpful in identifying this species.

pijavka koňská

pijavka koňská

chobotnatka rybí

This is the first story in a four-part, weekly series on taxonomy and speciation. It’s meant to help you as you participate in Armchair Taxonomist — a challenge from the Encyclopedia of…

chobotnatka rybí

chobotnatka rybí

žížala obecná

žížala obecná

afroditka plstnatá

afroditka plstnatá

afroditka plstnatá

afroditka plstnatá

kokon s vajíčky žížaly

Earthworm - Wikipedia, the free encyclopedia

jak se rozmnožují žížaly

All living things share life processes such as growth and reproduction. Most scientists use seven life processes or characteristics to determine whether something is living or non-living. So why do we classify earthworms as living?

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