Ensayo

AGUSTINIANO CIUDAD SALITRE SCHOOL PREVIOUS WORKSHOP REVIEW EXAM SCIENCE SUBJECT FOURTH LEVEL NAME: ________________________________________________________________GROUP:____________ 1. Read thefollowing text and answer the proposed questions: “The Amazon rainforest is a large ecosystem with many living things like plants and animals, and many nonliving things like soil, rocks, water, sunlightand air. The Amazon rainforest is one of the most diverse ecosystems on the planet. Millions of living things like monkeys, fish, birds, turtles, frogs, trees, ferns and palms live there. The Amazonchigüiros are individuals that make up a population. A population is a group of individuals of the same kind that live in the same place at the same time. The place is which a population makes its homeis its habitat. There are thousands of populations for example, trees, caimans, monkeys, anacondas and jaguars. All of them form a community. A community is where the populations of different organismslive together and interact with each other.” A. Classify the biotic and abiotic components presented in the text about the Amazon rainforest. BIOTIC COMPONENTS ABIOTIC COMPONENTS

B. How manypopulations are there mentioned in the text? _________________ Write their names: __________________________________________________________________________________________________________________________________________________________________________________________________ _________________________________________________________________________________________________

2. All the organisms inthe ecosystems interact with each other and with all the abiotic components. Among the interactions we find: predation, competition, parasitism, commensalism and mutualism. Write one example for eachone of the interactions. INTERACTION PARASITISM PREDATION COMPETITION COMMENSALISM MUTUALISM EXAMPLE

3. The transfer of energy from organism to organism is called food chain. Look at the following...