Scott Foresman Science Grade 5 Chapter 5 Vocabulary
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17 terms
Terms | Definitions |
|---|---|
 Ecosystem | All the living and nonliving things in an area (p. 127) |
| Population | A group of organisms of one species that live in an area at the same time (p. 127) |
| Community | The group of all the populations in an area (p. 127) |
| Biomes | Large ecosystems with generally the same climate and organisms (p. 128) A single biome might cover several countries. Together, all the biomes make up the biosphere |
| Niche | The job that an organism has in an ecosystem (p. 129) |
| Habitat | The place in an ecosystem in which an organism lives (p. 129) |
| Deciduous | Deciduous trees lose their leaves in the colder fall and winter months (p. 131) Deciduous forests cover large areas of the eastern part of the United States |
| Competition | In the environment, organisms may compete for space, water, light, food, or mates (p. 140) Organisms often compete for their lives! An organism that can't compete may die or be forced to move away to get its needs met |
| Symbiosis | A long term relationship between different species. One of the species is always helped. The other might be helped, harmed, or not affected at all. (p. 142) |
| Producers | Organisms, usually plants, that make their own food (p. 144) |
| Consumers | Organisms that eat other organisms (p. 144) |
| Herbivores | An animal that eats only plants or their products (p. 144) |
| Carnivores | Animals that eat only other animals (p. 144) |
| Omnivores | Animals that eat both plants and animals (p. 144) |
| Decomposers | Organisms that get nutrients by breaking down dead organisms (p. 144) |
| Energy Pyramid | A diagram that shows the amount of energy that flows through each level of a food chain (p. 146) |
| Cycle | A repeating process or flow of material through a system (p. 149) |
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