Common-Core/ Grade 7
Science MCQ Based On Identifying ecosystems
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Common-Core Grade 7 - 7 Identifying ecosystems
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Marine ecosystems contain a diverse array of living organisms and abiotic processes.
This tundra is mainly situated in the Northern Hemisphere, surrounding the North Pole and extending toward the south.
The eastern region of North America has the world's biggest temperate deciduous forest, which was nearly entirely cleared for agriculture by 1850.
The term "grassland ecosystem" refers to an environment with vast open spaces where the vegetation is made up primarily of various species of grasses and very few trees.
It covers a huge part of North Africa, and eleven other countries – Algeria, Tunisia, Egypt, Mali, Chad, Niger, Western Sahara, Sudan, Mauritania, Libya and Morocco.
Almost all saltwater habitats on earth are a part of oceanic ecosystems. The oceans encompass over 71% of the Earth's surface, making them the most prevalent ecosystems on the planet. Depending on the water depth, oceanic habitats have been divided into some zones.
17% of the surface of the world is covered by the desert ecosystem.
This type of ecosystem is found in low altitude areas and are characterized by severe weather conditions.
The Taiga consists of open woods with widely spaced trees as well as deep, shadowed forests.
Aquatic environments may be divided into two categories: marine ecosystems and freshwater ecosystems. Both marine and freshwater ecosystems are further divided under different aquatic ecosystems.
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