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Questions and Answers
What is one of the main reasons Invasive species are able to reproduce quickly?
Deserts are always hot.
False
What are two types of grasslands?
tropical savannah and temperate grasslands
Without vegetation, the soil would be prone to _______________.
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Match the following invasive species with their names:
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What is another name for grasslands in Canada?
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What is the main reason for deforestation in Indonesia?
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Trees in tropical rainforests are mostly coniferous.
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What is monoculture, and what are its effects on the soil?
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The three main vegetation regions are _______, _______, and _______.
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Match the following forest types with their characteristics:
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What is the purpose of crop rotation?
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Invasive species are beneficial to native ecosystems.
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Chemical fertilizers are used to add _______ back into the soil.
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Study Notes
Vegetation Regions
- Three major vegetation regions: forests, grasslands, and deserts, each determined by temperature, precipitation, and soil.
Forests
- Large land areas covered by trees and other plants.
- Trees are either coniferous (leaves stay year-round) or deciduous (leaves fall off).
- Two main forest types: boreal forests and tropical forests.
- Boreal forests are found across Canada, created by glaciers migrating north, and feature coniferous trees.
- Tropical rainforests are found near the equator, between the Tropic of Cancer and the Tropic of Capricorn, with the largest ones in South America, Africa, and Southeast Asia.
- Deforestation, the permanent removal of forests for other purposes, is a major threat to tropical rainforests, especially in Indonesia where palm trees have replaced native trees.
Farming Practices
- Monoculture: farming practice of planting the same crop in the same location each year, depleting soil nutrients.
- Common monoculture crops: corn, wheat, soybeans, and rice.
- Crop rotation: alternative to monoculture, where farmers switch crop locations each year to maintain soil health.
Grasslands
- Vegetation regions where grasses are the dominant vegetation source.
- Commonly found plants: Sedges and rushes.
- Grasslands can be found worldwide, with two types: tropical savannah and temperate grasslands.
- In Canada, grasslands are found in middle and western Canada, commonly referred to as "the prairies".
- Animals grazing on grasslands can change vegetation patterns, while fires can encourage regrowth but destroy animal habitats.
- Invasive species, introduced into foreign ecosystems, can disrupt local ecosystems and cause harm to native species.
Deserts
- Vegetation regions that receive very little precipitation, making them dry.
- Deserts can be hot or cold, with hot deserts (e.g., Sahara, Arabian, Gobi) having quick water evaporation, and cold deserts (e.g., Antarctic, Greenland) receiving precipitation as snow or rain.
Importance of Vegetation
- Provides habitats for many species, natural resources, and creates oxygen for humans and animals.
- Without vegetation, soil would be prone to erosion.
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Description
Learn about the three major vegetation regions: forests, grasslands, and deserts, and their unique characteristics. Discover the differences between coniferous and deciduous trees, and explore the two main forest types.
