pigments_from_algae
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- anabaena_cyanobacteria.jpg
- 2448×2448
- 2019/09/26 09:13
- 297.9 KB
- mycocystis_cyanobacteria.jpg
- 2448×2448
- 2019/09/26 09:14
- 280.6 KB
- nostoc-cyanobacteria.jpg
- 2266×2266
- 2019/09/26 09:14
- 282.6 KB
- purple-bacteria.jpg
- 2448×1792
- 2019/09/26 09:14
- 237.5 KB
- smell-ofthe-hive_ingredients.jpg
- 3264×2007
- 2019/09/26 09:14
- 646.4 KB
- spyrogira_cyanobacteria.jpg
- 2448×2448
- 2019/09/26 09:14
- 301.3 KB
- synechocystis_lichtmicroskoop.jpg
- 2448×2391
- 2019/09/26 09:14
- 1.4 MB
File
- Title:
- Hollyhock pollen
- Date:
- 2023/09/13 09:01
- Filename:
- 800wm.jpg
- Caption:
- Pollen. Coloured scanning electron micrograph (SEM) of a pollen grain of the garden hollyhock, Althaea rosa. Its outer wall (exine) has a spiky structure. When the pollen grain, containing the male gametes, lands on the stigma of a flower of the same species, it germinates. A pollen tube grows from the pollen grain & down to the flower's ovaries. The ovules are then fertilised & a seed is formed. Magnification: x200 at 6x6cm size.
- Photographer:
- Science Photo Library
- Copyright:
- DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY
- Format:
- JPEG
- Size:
- 155KB
- Width:
- 800
- Height:
- 797
- Keywords:
- hollyhock, pollen, althaea, rosa, garden, hollyhock, pollen, of, botany, plant, sem, coloured, scanning, electron, micrograph, grain, allergen, allergy, cause, sneezing, causing, sneeze, nature, plants, reproduction, reproductive, pollen
- References for:
- pollinations
pigments_from_algae.txt · Last modified: 2020/05/11 14:24 by ami