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Fifth Grade (Grade 5) Communities, Populations, and Ecosystems Questions

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Grade 5 Communities, Populations, and Ecosystems
Which will most likely happen when someone comes and destroys an animal's ecosystem?
  1. the animal stays there
  2. the animal finds a new place to live
  3. the animal lives on water
  4. the animal gets revenge
Grade 5 Communities, Populations, and Ecosystems
The movement of organisms in the environment is called                .
  1. Locomotion
  2. Circulation
  3. Digestion
  4. Agitation
Grade 5 Communities, Populations, and Ecosystems
Aquatic ecosystems contain all                       
  1. land based ecosystems
  2. space based ecosystems
  3. water based ecosystems
Grade 5 Communities, Populations, and Ecosystems
In an ecosystem, birds depend on insects to survive. If someone spreads pesticide to control the insect population, which of the following is most likely to happen?
  1. The bird population will increase.
  2. The bird population will decrease.
  3. The bird population will decrease, then increase.
  4. The bird population will increase, then decrease.
Grade 5 Communities, Populations, and Ecosystems
How are invasive species brought to new places?
Select all that apply.
  1. People and animals spread them without knowing it
  2. People spread them on purpose
  3. Pets that escape
  4. They just show up in a new place
Grade 5 Communities, Populations, and Ecosystems
All the living and nonliving parts in an area.             Ecosystem            

All the populations living together in one area.             community            

The process by which plants use sunlight to make sugar from water and carbon dioxide.                  photosynthesis                 

An plant that uses sunlight to make sugar from water and carbon dioxide.            producer           

An animal that consumes other animals for food.            consumer           

An animal that feeds on the bodies of dead organisms.             scavenger            

An organism that helps to break down and decay dead organisms and the wastes of living organisms.              decomposer             

A combination of all the food chains in a community.            food web           
Grade 5 Communities, Populations, and Ecosystems
The complex interactions of different organisms with one another and with their environment is called                .
  1. biome
  2. community
  3. ecosystem
  4. population
Grade 5 Communities, Populations, and Ecosystems
Which of the following descriptions about the organization of an ecosystem is correct?
  1. Communities make up species, which make up populations
  2. Populations make up species, which make up communities
  3. Species make up communities, which make up populations
  4. Species make up populations, which make up communities
Grade 5 Communities, Populations, and Ecosystems
It is everything, including living things, that surrounds a person, plant, or animal. What is this known as?
  1. Ecology
  2. Biology
  3. Environment
  4. Nature
Grade 5 Communities, Populations, and Ecosystems
All the living and nonliving parts in an area.
            ecosystem            
The study of the relationships among living and nonliving parts of an area.           ecology          
The place where a species lives.          habitat          
The role of a species in an ecosystem        niche        
All of the members of one species that live in the same area             population             
All the populations living together in one area            community            
The process by which plants use sunlight to make sugar from water and carbon dioxide                 photosynthesis                 
An organism that uses sunlight to make sugar from water and carbon dioxide           producer           
An organism that consumes other organisms for food           consumer           
An animal that feeds on the bodies of dead organisms            scavenger            
An organism that helps to break down and decay dead organisms and the wastes of living organisms             decomposer             
A diagram that compares the amount of energy available at each position, or level, in the feeding order                 energy pyramid                 

A combination of all the food chains in a community                food web           
Grade 5 Communities, Populations, and Ecosystems
What do we called the living and nonliving factors in an environment and all their interactions?
  1. community
  2. ecology
  3. food web
  4. ecosystem
Grade 5 Communities, Populations, and Ecosystems
What is a native species?
  1. a plant that is purple in color
  2. a species that can upset the balance in an ecosystem
  3. a species that live in cold places
  4. a species that is supposed to be in a certain ecosystem
Grade 5 Communities, Populations, and Ecosystems
An invasive species can cause the most problems when which one of the following is true?
  1. When the invasive species in a top-of-the-food-chain predator
  2. when there are too few or no predators that kill the invasive species
  3. when there are too many predators that kill the invasive species
  4. when the invasive species has traveled very far from its original home
Grade 5 Communities, Populations, and Ecosystems
Invasive species can often do a lot of damage to an ecosystem. Which is an example of an invasive species damaging an ecosystem?
  1. Robins building a nest in a tree
  2. Foxes hunting a rabbit
  3. The kudzu vines climbing on trees and native plants blocking out their sunlight
  4. Deer grazing on a farmer's crops
Grade 5 Communities, Populations, and Ecosystems
What determines if a population survives within an ecosystem?
  1. if the population's habitat is large enough to provide shelter
  2. if the population can migrate each season
  3. if the population's niche is completely unoccupied by another species
  4. if the population's basic needs can be met
Grade 5 Communities, Populations, and Ecosystems
In an ecosystem, birds depend on insects to survive. If someone spreads pesticide to control the insect population, which of the following is most likely to happen?
  1. The bird population will increase.
  2. The bird population will decrease.
  3. The bird population will decrease, then increase.
  4. The bird population will increase, then decrease.
Grade 5 Communities, Populations, and Ecosystems
All of the populations in an ecosystem are called the                .
  1. habitat
  2. community
  3. population
  4. kingdom
Grade 5 Communities, Populations, and Ecosystems
When is an ecosystem able to best support a variety of organisms?
  1. when organisms share food and habitats equally
  2. when competition for food is controlled by humans
  3. when physical-space needs of organisms are met
  4. when organisms use the parts of the ecosystem differently
Grade 5 Communities, Populations, and Ecosystems
A community that includes all the living and nonliving things found in a certain area is called a(n)             ecosystem            .
Grade 5 Communities, Populations, and Ecosystems
Ecology is the study of how all living things relate to one another and their world.
  1. True
  2. False
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