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16. Translate the sentences into Russian.
1. The explanation given was not complete.
2. The results received were of great importance for further work.
3. When studying elements Mendeleyev found that they could be divided
into nine groups
4. When burnt, coal produces heat.
5. Being built in a new way modern houses have better facilities.
6. Theory in ecology consists of principles used to construct models.
7. The biosphere, sometimes described as «the fourth envelope», is all liv-
ing matter on the planet or that portion of the planet occupied by life.
8. Plants use some of this sugar concentrated in nectar to attract pollinators
to help them in reproduction.
9. Cellular respiration is the process by which organisms break the glucose
back down into water and carbon dioxide, thus regaining the stored en-
ergy of the sun.
10. Organisms live in groups of the same species occupying a given region.
11. The whole earth can be seen as a single ecosystem, while a lake can be
divided into several ecosystems, depending on the scale used.
12. Moving toward the poles, diversity decreases. For example, there are
many more species of insects living near the equator than there are in
Canada.
13. The deep seafloor is generally uniform, providing animals with few
places to live.
14. Energy flows through ecosystems, beginning with primary producers
and moving to herbivores, then carnivores.
15. The glucose made by plants determines how much energy is available in
ecosystems and therefore limits how many animals can live there.
16. Measured in units of mass/area/time, NPP in terrestrial ecosystems is
usually expressed in grams of carbon per square meter per year.
17. Complete the text below with the following words and word com-
binations.
Oxygen, biosphere, energy , free oxygen, environment, carbon, hydro-
sphere, solar energy, plants, lithosphere, photosynthesis, nitrogen, atmos-
phere.
The first step to an understanding the interrelationship of living organ-
isms and their nonliving 1) ____________________ is to begin with the sun.
From it comes most of the 2) ____________________ on earth. But, it is
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