Erythrocyte – a cell specialized for oxygen transport Slideshow Play

Erythropoiesis Animation Play

Eubacteria – true bacteria Student activity Play

Eucaryotic cell Illustration Play

Even smaller than viruses Student activity Play

Experiment on energy substances of the organism and cell respiration Simulation Play

External and internal fertilization Slideshow Play

External fertilization in newts and salamanders Animation Play

Facts about the puberty in females Whiteboard exercise Play

Famine Whiteboard exercise Play

Features of a sperm cell Whiteboard exercise Play

Features of an ovum cell Whiteboard exercise Play

Features of animal and plant cells Student activity Play

Features of the connective tissue Whiteboard exercise Play

Ferns – spore-bearing plants with a dominant sporophyte generation Student activity Play

Fertilization Student activity Play

Fertilization Whiteboard presentation Play

Fertilization Class activity Play

Fertilization and development Student activity Play

Fertilization and the first weeks of the embryo's life Whiteboard exercise Play

Fertilization and the first weeks of the embryo's life Student activity Play

Fertilized insect egg cell Illustration Play

Fish – jawless; cartilaginous and bony Student activity Play

Flowering plants organs Whiteboard presentation Play

Formation of the embryo sac and pollen grain Slideshow Play