Model shows the transverse and longitudinal section of a dicotyledonous stem in which case the cambium ring has been formed but no secondary growth has taken place.
Amoeba proteus, enlarged approximately 1000 times. In a small pseudopodium which can be opened up showing the structure after electron microscopic magnification. On a base with explanatory notes. Separates into 2 parts
Dandelion (Taraxacum Officinale), Dandelion belongs to the Asteraceae family of composite flowers. Characterized by numerous florets arranged in a dense inflorescence that is contained by overlapping green bracts that open and close to protect the flower