Tomáš Vlček

Tomáš Vlček

Tomáš Vlček
Viac nápadov od Tomáš
Some acritarchs showing the diversity of forms within the group. Images from UCL.

Some acritarchs showing the diversity of forms within the group. Images from UCL.

pollen

pollen

Goat-willow pollen - Rob Kesseler

Goat-willow pollen - Rob Kesseler

Geranium pollen. Coloured scanning electron micrograph (SEM) of pollen (pink) on the stamen of a geranium flower (Geranium sp.). The stamens are male reproductive structures that consist of a filament topped by a pollen-bearing anther. Pollen grains are the male sex cells of a flowering plant.  Credit: SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY

Geranium pollen. Coloured scanning electron micrograph (SEM) of pollen (pink) on the stamen of a geranium flower (Geranium sp.). The stamens are male reproductive structures that consist of a filament topped by a pollen-bearing anther. Pollen grains are the male sex cells of a flowering plant. Credit: SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY

Sunflower pollen grains

Sunflower pollen grains

Ceratium tripos; Ornithocercus magnificus; Ceratocorys horrida; Goniodoma…

Ceratium tripos; Ornithocercus magnificus; Ceratocorys horrida; Goniodoma…

Dinoflagellat;    If only you could see what I have seen with your eyes - but…

Dinoflagellat; If only you could see what I have seen with your eyes - but…

This is what causes a "red tide" - A particular type of Dinoflagellate. When…

This is what causes a "red tide" - A particular type of Dinoflagellate. When…

Dinoflagellates are very small marine plankton that when in a group produce a…

Dinoflagellates are very small marine plankton that when in a group produce a…

Dinoflagellates are unicellular organisms that are photosynthetic, some of them…

Dinoflagellates are unicellular organisms that are photosynthetic, some of them…