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Ch3Lesson2
5th grade Science Vocab_ch3
| Question | Answer |
|---|---|
| when the last member of a species dies, it no longer exists on Earth. | extint species |
| when a species is in danger of becoming extinct | endangered species |
| species with low numbers that could become endangered | threatened species |
| the process of one ecosystem changing into a new and different ecosystem | succession |
| this takes place in a community where few, if any, living things exist, or where earlier communities were wiped out | primary succession |
| this is the beginning of a new community where a community had already existed | secondary succession |
| is one of Earth's major land ecosystems with its own characteristic animals, plants, soil, and climate, there are SIX major land biomes | biome |
| a biome where grasses, not trees, are the main plant life | grassland |
| a hot, humid biome near the equator, with heavy rainfall and a wide variety of life. | tropical rainforest |
| a biome with four distinct seasons and trees that have leaves that change color | deciduous forest |
| a sandy or rocky biome, with little precipitation and little plant life | desert |
| a cold forest biome of conifers found in northern regions | taiga |
| a large, treeless biome where the ground is frozen all year, very few animals have adapted to live in this biome | tundra |
| Example of this can take place in a forest after a fire or logging has occured | secondary succession |
| Example: lack of water, treeless, extremely dry | desert |
| Example: full of coniferous evergreen trees | taiga |
| Example: prairies, savanna, provides rich food source for all the herbivores. | grassland |