Energy, Matter & Changes in Ecosystems
Quiz by Dieterle 1
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10 questions
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- Q1How is secondary succession different from primary succession?soil remains intact in secondary successionprimary succession only occurs in water ecosystemssecondary succession takes longersecondary succession deals with plants only30s
- Q2How do pioneer species make primary succession possible on an island formed by volcanic eruption?they adjust the climatethe establish homes for animalsthey break down rock into soilthey use chemicals to make food30s
- Q3Ecosystems can never change once they are established.TrueFalse30s
- Q4The number and variety of organisms in an area at a specific time.eutrophicationsuccessioncarrying capacitybiodiversity30s
- Q5What is energy? (in a scientific sense)the ability to do workthe ability to conduct currentanything that takes up spaceanything that has mass30s
- Q6Where does most of the evaporation on Earth take place?between the ground and atmospherebetween the ocean and atmospherebetween rivers and oceansbetween Earth's surface and aquifers30s
- Q7Which phrase best describes consumers in an ecosystem?converts light energy into chemical energygets energy by eating plants and/or animalsbreaks down dead plants and animals into soilbottom of the food chain30s
- Q8Which of the following substances cycles through ecosystems?soilnitrogencopperglucose30s
- Q9Animals break down organic molecules and release carbon dioxide into the air; Which step shows this occurring ?Step 3Step 1step 4Step 230s
- Q10This diagram shows the changes to a pond ecosystem over time. What process is taking place?secondary successionprimary successionclimate disturbanceeutrophication30s
