Grade 5 Life Science- Ecosystems and Change
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a community? | a group of populations that live together
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| What is competition? | a kind of contest among populations that need to get a certain amount of food, water, and shelter
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| What is symbiosis? | a relationship between different kinds of organisms
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| What are predators? | an animal that kills and eats other organisms
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| What is prey? | an animal that is eaten by a predator
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| What is succession? | a gradual change in the kinds of organisms living in an ecosystem
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| What is extinction? | the death of a species
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| What is pollution? | a waste product that harms living things and damages an ecosystem
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| What is acid rain? | a mixture that forms when chemicals from burning fossil fuels mix with water vapor in the air
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| What is a habitat? | an area where an organism can find everything to survive
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| What is conservation? | the use of less of a resource to make the supply last longer
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| What is reclamation? | the process of cleaning and restoring a damaged ecosystem
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| What is the difference between a population and a community? | A population is a group of only ONE type of animal, a community is a group of many populations
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| True or false? Symbiosis is the same as competition. | False
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| What is mutualism? | two organisms benefit
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| What is commensalism? | one organism benefits
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| What is parasitism? | one organism benefits, the other is harmed
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| Why do many parasites eventually need a new host? | they kill the host
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| Place these items in order: grass, lichens, trees, bare rock | bare rock, lichens, grass, trees
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| Which term refers to the rebirth of a damaged ecosystem? | secondary succession
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| How can an ecosystem be destroyed? | fire, volcanic eruption, or human actions
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| What resources can be polluted? | water, air, soil
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| What are the main sources of pollution? | fertilizers, burning fossil fuels, pesticides, toxic waste
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| What are the main ways people damage ecosystems? | building fences, cutting forests, filling in wetlands, introducing new plants and animals
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| What are three ways in which people can conserve resources? | reduce, reuse, recycle
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
KAUELIGHT
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