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Ecosystem Study Guide SOL 3.6 Vocabulary population habitat community water habitats land habitats environments deciduous coniferous tundra grasslands deserts forests rain forest ocean fresh water salt water Meaning all of one type of animal and plant in an ecosystem: there are many populations in each area the place where an animal or plant lives and grows: a home a group of plants and animals that live in an ecosystem and depend on each other for their survival animal homes that are in the water such as the ocean, streams, rivers, swamps, ponds animal homes that are on the land such as tundra, grassland, desert, rain forest,and mountains all the nonliving things (soil, water, air) that surround a living plant or animal trees whose leaves fall off in the autumn evergreen trees with needles flat, cold, wetlands in the arctic flat, grassy areas with few trees ideal for herbivores like cows and buffalo hot or cold areas with very little rainfall areas with many trees hot, wet ecosystem with many trees and animals; the largest ecosystem in population the largest body of salt water on earth: the largest ecosystem in size water ecosystems made of flowing water- streams, rivers, swamps, lakes, ponds water ecosystem containing salt -- oceans, seas, bays IMPORTANT FACTS 1. Mountains have three areas: the lower slopes with deciduous leaves (oaks, maples, dogwoods), the middle slopes with coniferous trees (pines), and the top slopes with rocky peaks. Mountains have a variety of life on them. The lower slopes have foxes, rabbits, deer, bear; the middle slopes are home to elk, bear and cougars; the upper slopes are home to mountain goats and mountain sheep. 2. Forests are similar to the lower slopes of the mountains. Animals and plants are also very similar. 3. Deserts are land communities which can be hot or cold with very little water. In hot deserts the most often seen plant is the cactus. Jack rabbits, tortoises, rattlesnakes, lizards, roadrunners, and coyotes are the common types of animals. 4. The tropical rain forest has the largest population of animals and plants. It is a very hot, humid place with many trees and green plants. All types of animals live there including many insects and amphibians. 5. The tundra area has the smallest population of plants and animals on earth due to the short growing season and cold conditions. Very small plants grow there and little or no trees. Animals such as the reindeer and polar bears live here. 6. The grassland area is a flat area with few trees and lots of grass. Animals that live in herds and are herbivores such as buffalo, deer, zebra, antelope and giraffe live in this area. Predators like the lion live here. 7. The ocean is the largest salt water community and the largest ecosystem on earth. Many habitats are in this ecosystem such as the coral reef and even a shipwreck. 8. Other water communities are fresh water such as streams, rivers, lakes and ponds. Each has different types of plants and animals living there. 9. Examples of animal populations are each of one type of animal or plant living in an ecosystem. On the Serengeti Plain there is a population of zebras, of lions, of giraffe, of hyenas, etc. In a barnyard there is a population of chickens, sheep, pigs, etc. 10. Ecosystems are fragile and dependent on each of the members of the community. If one animal or plant group dies, the balance in the ecosystem can be disrupted. Animals and plants need to stay in their own ecosystem. Moving an animal or plant out of their natural environment can result in the organism’s death.