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Ecology Questions - All Grades

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Grade 6 Biotic and Abiotic
Grade 8 Food Chains and Webs
Grade 9 Food Chains and Webs
Grade 9 Conservation and Biodiversity
If fish reproduce at a slower rate than the rate at which they are caught, how will their population change?
  1. It will decrease
  2. The fish will swim to other bodies of water
  3. It will not change
  4. It will increase dramatically
Grade 9 Biotic and Abiotic
Which of the following is a biotic factor operating within an ecosystem?
  1. The kind of climate in a given region
  2. Carnivores that eat other animals
  3. The concentration of hydrogen gas in the air
  4. The rate of water flow in a body of water
Grade 9 Conservation and Biodiversity
Grade 9 Communities, Populations, and Ecosystems
The study of organisms' interactions with their surroundings is
  1. abiotic
  2. ecology
  3. sociology
  4. microbiology
  5. geology
Grade 9 Food Chains and Webs
Grade 9 Communities, Populations, and Ecosystems
Grade 7 Ecology
What is ecology?                             the study of living things                             

What provides the needs for a living organism?          habitat          

What does abiotic mean?             non living             

What does biotic mean?         living         

What are the 3 abiotic factors?                           temperature, soil, water                           

Explain population.                                             all members of a species in one given area                                             

What is species?                                                    a group of organisms that are physically similar                                                   

What is an ecosystem?                                           community (biotic & abiotic factors)                                           

What is a direct observation?                            what you can see or feel                           

What is an indirect observation?                                                 you can see signs, but can't see the organism                                                

Explain natural selection.                                                                                                                                individuals with characteristics best suited for the environment will survive and produce offspring with same characteristics                                                                                                                                

What allows an organism to survive in certain conditions?              adaptations              

What is a niche?                                               an organism's job or role in the environment                                               

What is birth/death rate                                                                 how many animals are born or die within a given amount of time                                                                 

What is immigration?                                   animals coming into a population                                   

What is emigration?                               animals leaving a population                               
Grade 10 Communities, Populations, and Ecosystems
Grade 9 Communities, Populations, and Ecosystems
Which of the following is NOT considered to be a density-dependent factor?
  1. Competition
  2. Predation
  3. Commensalism
  4. Parasitism and disease
Grade 5 Biotic and Abiotic
Grade 3 Biomes
You can find dolphins in               .
  1. the desert
  2. the jungle
  3. the forest
  4. the sea
Grade 6 Food Chains and Webs
In an ecosystem, sometimes more than one animal is a predator to the same animal. For example, the great barn owl and the the bald eagle both share a habitat, and they both hunt mice. Which answer explains how this relationship can work?
  1. They are both hunted by the red fox
  2. The eagle migrates to other ecosystems
  3. The owl hunts at night and the eagle hunts during the day
  4. There is an overpopulation of owls
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