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

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Grade 5 Communities, Populations, and Ecosystems
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
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
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
How are invasive species brought to new places?
Check 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
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
What will happen when someone comes and destroys an animal's ecosystem the animal?
  1. stays there
  2. finds a new place to live
  3. lives on water
  4. gets revenge
Grade 5 Communities, Populations, and 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
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
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
Grade 5 Communities, Populations, and Ecosystems
Grade 5 Communities, Populations, and Ecosystems
What is population?
  1. Different populations that live in the same area.
  2. When two parent cells join together to form a new cell
  3. a group of similar organisms that share the same area
  4. not here
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
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