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Биология Translate from Russian into English.
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Describe any plant.

Give terms corresponding to the following definitions.

1. Plants and trees.

2. Process in which the plant produces chemical energy (in the form of sugars) from water, minerals, and carbon dioxide with the aid of pigments and the radiant energy of the Sun,

3. The process of the transfer of pollen from the anthers to the stigma.

4. The system that anchors the plant and absorbs water and minerals from the soil.

5. A specialized conducting system for the transport of water, minerals, and food materials.

6. The nutrient element that is necessary to make amino acids, nucleic acids and proteins.

7. An enzyme co-factor important in making plant cell walls.

8. The light-sensitive membrane that lines the back wall of the eyeball and is composed of several layers, including one containing the rods and cones.

9. Animals without backbones.

10. Numerous pigment-filled bags with the help of which cephalopods change color.

11. One of the oldest living creatures in the world existed on the face of this planet since before the dinosaurs.

12. Any member of a group of vertebrate animals in which the young are nourished with milk from special secreting glands of the mother.

13. Any of the most numerous of existing mammals, characterized by upper and lower pairs of ever-growing rootless incisor teeth.

14. A baby of dolphins.

Приручение и одомашнивание млекопитающих, начатое в глубокой древности, продолжается и сейчас, хотя виды зверей находятся на разной степени одомашнивания и приручения. Полностью одомашненными нужно считать те виды, которые хорошо подчиняются человеку и свободно размножаются в неволе. Таковы, к примеру, собака, лошадь, рогатый скот и многие другие. При этом бывает и так, когда указанные два условия не совпадают. Тысячелœетия назад были приручены слоны, послушно выполняющие разнообразные работы. Но в неволе слоны практически не размножаются. Львы и тигры хорошо размножаются в неволе, но не приручаются к человеку и не могут считаться одомашненными животными. В малой мере одомашнены некоторые пушные звери, хотя в клетках они успешно размножаются. Таковы песцы, лисицы, норки, соболи и некоторые другие. Пушное звероводство возникло менее ста лет назад, и число видов, разводимых в неволе, продолжает увеличиваться. Сравнительно недавно стали разводить норок и шиншилл. При этом в результате направленного подбора и отбора, зная законы наследования признаков, за короткий срок удалось вывести ряд новых пород. Таковы, к примеру, серебристо-черная лисица и разнообразные цветные породы норок.

TEST 4 (Units 10 – 12).


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