Cephalon, Cervix and Antennas
Head (Cephalon) Head in insects is in a solid capsule, as a result of coalescence of the six segments of embryonic: akron, antenaly, interkalary, mandibulary, maxillary, labialis. On his head…
Environment – Ecosphere
Environment - Ecosphere is divided into: Biosphere (World of Nature and Natural Resources) and Technosphere (human settlements, infrastructure). The biosphere is a whole integrated nature that combines all ecosystems, biomes…
Forest stand
Dissimilar parts, of which one forest complex consists, in forest management called forest stands. Forest stand is the basic management unit, which is called a part of the forest, which…
Introduction to Dendrology
Dendrology - the science of woody species.Greek: dendron - a tree and logos – science.Woody plants - perennial herb with a secondary weight gain. Of the approximately 260 000 known…
Equisetum hiemale, Equisetum sylvaticum, Equisetum telmateia
EQUISETUM HIEMALE (Syn. : Hippochaete hiemalis) Fam. Equisetaceae Between sterile and fertile corms no difference. They are upright, simple, rarely branched in whorls, dark green to gray-green, up to 6…