Piaget used the word schema to refer to a collection of ideas that functions as a basic unit of understanding. The schema is process of acquiring knowledge. According to Piaget people are constantly learning a new information and new things and because of that they are developing a new schemes and the old ones are being a modified.
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Answer:
Spain
Explanation:
Francisco Pizarro was from Spain, and he colonized or conquered, Peru.
The answer is that it shows a network of food chains. Models that have to do with food chains are used to show what certain ecosystems would be like in real life. While using these models, specialists can test different types of real food chains. Certain specialized scientists use the food web models to be able to see the networks of undead organisms that are included in a food chain. Hope I helped!