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1. Ecologists call this one-way flow of matter and energy from a producer to a primary, then to secondary, and perhaps to a tertiary consumer, a food chain. ... ~ Single food chains do not show all the feeding relationships in ecosystems. The food web shows all the organisms at each feeding level or trophic level.
2. Energy flows through an ecosystem in one direction: from producer to primary consumer to secondary consumer to higher consumers. A biomass pyramid provides a picture of the feeding and nergy relationships within a food web and the direction of the flow of energy.
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Explanation:
he settlers demanded greater representation and more power from the Mexican Government. Revolts broke out in 1832 and 1833. Instead, General Santa Anna, dissolved the national congress late in 1834, and became dictator in Mexico. In Texas, American settlers decided to promote their own independence from Mexico
