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Name: ………………………………… Worksheet 3 Work Rate: Grade 6th Science Subject Chapter 2/ Pages: 19 →31 1) Answer by true or false, then correct the false statements a) A food chain is a group of individuals of the same species: …………………………………………………………………………………………………………………………………………………………… b) Primary consumers can produce their own food: …………………………………………………………………………………………………………………………………………………………… c) A carnivore is a primary producer: …………………………………………………………………………………………………………………………………………………………… d) Parasitism is a beneficial activity for both partners: …………………………………………………………………………………………………………………………………………………………… e) Plants can also have parasites, not only animals: …………………………………………………………………………………………………………………………………………………………… f) A herbivore is a secondary consumer: …………………………………………………………………………………………………………………………………………………………… g) A food chain is made of many trophic levels: …………………………………………………………………………………………………………………………………………………………… h) Plants are at the end of the food chain: ………………………………………………………………………………………………………………………………………………………….. 1 2) Match The grass is eaten by the grasshopper, the grasshopper is eaten by the frog, the frog is eaten by the snake, and the snake is eaten by the eagle. Parasitism In a forest, a big number of trees has grown by the association of the trees’ young roots with the roots of the fungi, which in turn benefit from the sap of the tree. Producer Consumer It is made of the host that is harmed and the parasite that is benefited. Symbiosis It can be found in the food chain in several ways: It can be primary, secondary, and tertiary Food Chain It can make its organic matter in order to grow. 2 Producer Primary Consumer Secondary Consumer 3 Tertiary Consumer