Reptiles and humans
Reptiles - tetrapods and amniotes: a review of the species distribution, the modern classification; economic, aesthetic, symbolic and ecological value for human; functions herpetologist. The evolution of reptiles, physiological systems of their life.
Подобные документы
Senecio anastasioi Montesinos, a new species of Asteraceae/Compositae: Senecioneae allied to Senecio ser. Suffruticosi subser. Caespitosi, is described from the Andean regions located in South Peru. The differences between these species are identified.
статья, добавлен 28.09.2023The distribution of the water caltrop Trapa natans L. in Ukraine. This relict species had strongly declined in the early 1979s, but has now recovered and even excessively spread in the upper reaches of the Kaniv and Kyiv reservoirs on the Dnipro River.
статья, добавлен 11.07.2023Forming of hydrobiota of the river systems in the territory of Ukraine in view of history of hydrographic net. Biological and biomechanical principles of the controlling molluscs. Assessing the risks of aquatic species invasions via inland waterways.
статья, добавлен 21.03.2022The discovery of new localities of nine species listed in the Red Book of Ukraine, and six regionally rare plant species during expeditionary research on the territory of Volyn region in 2013. The necessity for research phytodiversity Volyn region.
статья, добавлен 27.07.2016Study of the effect of nitric oxide on life expectancy drosophila. Donors and inhibitors of synthase were added to medium throughout life. Increase the duration of its life under the influence of nitro-arginine in comparison with methyl-thiocitrulline.
статья, добавлен 27.07.2016Study of problem of improve eating habits of teenagers and their proper nutrition, energy costs and physiological needs. Contains results of research affects of lactic acid bacteria to the human organism aiming to improve eating habits of students.
статья, добавлен 28.03.2019The study of modern representatives of the animal environment in Russia. Description of the characteristics of the species, population, appearance, habitat, food habits and reproduction: brown bears, Amur tigers, lynxes, gray wolves, wolverines, ticks.
презентация, добавлен 30.09.2015The paper describes the change in perspective in the composition of the A. messeae taxonomic unit. Initially, based on the disequilibrium ofnatural populations, the species was differentiated into A and B forms using chromosomal inversions as markers.
статья, добавлен 03.08.2021Meadows as plant ecosystems of the forest-steppe zone. Changes in botanical composition and projective coverage of dominant species, constant human intervention to maintain their high productivity. Natural fodder lands in conditions of technogenesis.
статья, добавлен 12.05.2024Study of the genus Campanula, widespread in the northern hemisphere and of importance for the flora of the Caucasus. Comparison of the history of the study of the genus, its geographical distribution, and taxa found in the flora of Karabakh and Zangezur.
статья, добавлен 04.09.2024Evaluation and analysis of relative degree of drought resistance by water content of tissue. Assessment of relative drought resistance by water-holding capacity of leaves genus momordica (cucurbitaceae) introduced under the conditions of Belgorod region.
статья, добавлен 29.11.2016Assessment and analysis of levels of vernalization demand, photoperiodic sensitivity, frost resistance, and identification of alleles of genes of two-handed varieties of soft wheat. Characteristics of the features of winter and spring sowing periods.
статья, добавлен 31.08.2022The properties in Homeostatic systems. System instability, Striving for balance, Unpredictability. Examples of homeostasis in mammals. Regulation of homeostasis. The blood plasma. The main function of platelets. The main function of erythrocytes.
презентация, добавлен 23.02.2015The morphology of the leech (size of the body and gills, structure of the cuticle) and molecular-genetic diversity of the species. Study of its properties, current status in water bodies, and methods of reproduction in natural and laboratory conditions.
статья, добавлен 05.09.2024Individual genetic heterogeneity as the main factor driving prolonged dormancy of the species. Three morphological states were identified in dormant plants of Fritillaria including a false dormancy in individuals which carried on growing below ground.
статья, добавлен 25.02.2021Study of the process of genetic hybridization. Analysis of the results of the crossing of closely related species of yellow wagtails. Determination of features, characteristics and systemic features of the light-headed hybrid form M. f. beema x M. lutea.
статья, добавлен 11.07.2023Investigation of the morphology of the horseshoe spot (HHS) with the cavity in details in several species of Planothidium Round et Bukht. The model of the HSS longitudinal section and light rays tracing.
статья, добавлен 29.11.2016Analysis of the term "vitamin", its biochemical functions and health effects. Classification of deficiencies of vitamins. Pharmacology, history and etymology of vitamin. Analysis of the term "hormone", its biosynthesis, secretion and effects on the body.
реферат, добавлен 23.12.2015Research of morphogenesis (or minor life cycle) and ontogenesis (or major life cycle) of Galanthus nivalis L. Phases of monocarpic shoot development within the bud. Multivariate ways of bulb plant ontogeny from the moment of zygote to natural death.
статья, добавлен 28.12.2017Study of the structure of water as the basis for the origin of life. The structure of water molecules and hydrogen bonds caused by electrostatic forces and donor-acceptor interactions between neighboring hydrogen and oxygen atoms in water molecules.
статья, добавлен 19.05.2018Research the variation in the agronomic practice, crop yields and economic returns indicated in the agrotechniques. Study of basic biological and morphological characteristics of medicinal plants that play a significant role in modern medicine.
учебное пособие, добавлен 17.11.2016Plants are a source of biologically active substances. Using modern genetic engineering techniques in pharmaceutical biotechnology. Examples of advanced systems used to obtain some valuable natural products - artemisinin, paclitaxel and scopolamine.
статья, добавлен 03.10.2012A multifunctional role of most frustule structural elements and their taking part in many vital functions of the diatom single-cell organism. Some structures of frustule as velum, areola, stria are considered in the light of function morphology.
статья, добавлен 10.04.2014Influence of brassinosteroids on the alternative way of respiration and antioxidant systems of plants. Polarographic study of regulation of production of ROS in conditions of optimal and abiotic stress. Evaluation of the activity of antioxidant systems.
статья, добавлен 29.01.2017As new research and clinical experience broaden our knowledge, changes in treatment and drug therapy are required. Each PreTest Self-Assessment and Review allows medical students to comprehensively assess and review their knowledge of a microbiology.
учебное пособие, добавлен 05.07.2013