RWTH Aachen University. Evaluation and error analysis of machine translation output are important but difï¬cult. tasks. In this article, we propose a framework for automatic error analysis and classiï¬cation. based on the identiï¬cation of actual erroneous words using the algorithms for computation.
Following are the main differences between food chain and food web. Advertisements. Food chain is a single linear pathway through which food energy and nutrients travels in the ecosystem while food web is number of interconnected food chains through which energy and nutrients travels in the ecosystem.
Smaller insects feed on green plants, and bigger animals feed on smaller ones and so on. This feeding relationship in an ecosystem is called a food chain. Food chains are usually in a sequence, with an arrow used to show the flow of energy. Below are some living things that can fit into a food chain. Can you build it? Click to play. Would you like to see a good example of another food chain in the Tundra? Click here! A food chain is not the same as a food web. A food web is a network of many food chains and is more complex. See the food web illustration belowâyou can pick out a basic food chain from the web: Green plants Grasshopper Frog Bird Hawk. In the diagram above, the arrows show the direction of energy flow.