Want to see correct answers?
Login or join for free!
  Biology Worksheets
Looking for Biology worksheets?
Check out our pre-made Biology worksheets!
Share/Like This Page
Filter By Grade

Ninth Grade (Grade 9) Ecology Questions

You can create printable tests and worksheets from these Grade 9 Ecology questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

Previous Page 1 of 22 Next
Grade 9 Biotic and Abiotic
Which of the following situations show 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 Biotic and Abiotic
Grade 9 Food Chains and Webs
Which organisms can be found at the first, or lowest, trophic level?
  1. herbivores
  2. carnivores
  3. heterotrophs
  4. autotrophs
Grade 9 Food Chains and Webs
Grade 9 Communities, Populations, and Ecosystems
Grade 9 Communities, Populations, and Ecosystems
Grade 9 Communities, Populations, and Ecosystems
Every member of the same species that inhabits a region makes up a
  1. community.
  2. habitat.
  3. ecosystem.
  4. population.
Grade 9 Communities, Populations, and Ecosystems
Grade 9 Communities, Populations, and Ecosystems
A limiting factor that depends on population size is a                                   .
  1. size limiting factor.
  2. prediction limiting factor.
  3. completion limiting factor.
  4. density-dependent limiting factor.
Grade 9 Conservation and Biodiversity
Which description characterizes a stable ecosystem?
  1. one type of organism
  2. two types of organisms
  3. at least one type of plant and one type of animal
  4. a wide variety of organisms
Grade 9 Communities, Populations, and Ecosystems
Grade 9 Biomes
Which biome can be represented by the climograph below?
  1. Cold Desert
  2. Temperate Rainforest
  3. Boreal Forest
  4. Hot Desert
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 Food Chains and Webs
Grade 9 Conservation and Biodiversity
Grade 9 Conservation and Biodiversity
A species that impacts the survival rates of other species in an ecosystem is a(n)
  1. endangered species.
  2. keystone species.
  3. niche species.
  4. extinct species.
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.
Previous Page 1 of 22 Next
You need to have at least 5 reputation to vote a question down. Learn How To Earn Badges.