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Pollen serves to fertilize the egg of plants. Pollen grains come in a variety of shapes and sizes, characteristic of the species.
pollen, allergy, ragweed, sunflower, linden, morning glory, geranium, lily, tulip, daisy, sycamore maple, pollination, wind pollination, flower, sperm cell, sexual reproduction, fertilization, plant, biology
The apple is one of the most popular fruits around the world.
This animation demonstrates the anatomy of tulips, daffodils and snowdrops.
The two groups of angiosperms are monocots and dicots.
The pericarp of real fruits develops from the carpel, while the pericarp of pseudofruits develops from other parts of flowers.
One of the most important monocot crops.
This animation shows how trees change throughout the seasons, demonstrated by the example of English oaks.
The animations demonstrates the structure of a typical flower.
Giant sequoias are the world's largest living organisms by mass.
This animation demonstrates how horse chestnut trees change throughout the seasons
Dicotyledons have two embryonic leaves (cotyledons), while monototyledons have only one.
This animation presents the main types of leaves and the differences between monocot and dicot leaves.
The animation demonstrates the different flower types of angiosperms.
The development of mosses, ferns, gymnosperms and angiosperms is characterised by the alternation of generations.