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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 11 Communities, Populations, and Ecosystems
College Conservation and Biodiversity
Endemic species are species that                                         .
  1. Suffer from a genetic disease
  2. Breed freely with other species
  3. Are not found anywhere else in the world
  4. Are on the verge of extinction
Grade 10 Food Chains and Webs
What happens when a species has no natural predators?
  1. The species dies.
  2. The species moves.
  3. The species' population grows.
  4. The species' population declines.
Grade 12 Environmental Science
Life history traits maximize reproductive success in uncrowded environments.
  1. Generalist species
  2. Specialist species
  3. R-selected species
  4. K-selected species
Grade 11 Communities, Populations, and Ecosystems
Grade 10 Conservation and Biodiversity
What is an endangered species?
  1. species in danger of extinction
  2. species in Africa
  3. species in developing countries
  4. species that are in zoos
College Communities, Populations, and Ecosystems
                  have limited homeostatic capability, and often have a high mortality rate.
  1. a-selected species
  2. b-selected species
  3. r-selected species
  4. k-selected species
Grade 7 Evolution
Grade 7 Evolution
A scientist is studying the DNA of three species. Species A and species B have DNA that is 97% similar. Species C and species A have DNA that is 95% similar. What can the scientist conclude?
  1. Species B is equally related to both species A and species C.
  2. Species B has a closer evolutionary relationship with species C than it does with species A.
  3. Species A has a closer evolutionary relationship with species B than it does with species C.
  4. Species A has a closer evolutionary relationship with species C than it does with species B.
Grade 10 Succession
Grade 12 Taxonomy
What two taxa are used for binomial nomenclature?
  1. kingdom and species
  2. genus and family
  3. genus and species
  4. phylum and species
College Historical Geology
Which of the following CANNOT be demonstrated in fossil records?
  1. The number of total individuals in a species
  2. Origin of a new species
  3. Morphological changes within a species
  4. Extinction of a species
Grade 11 Symbiosis
What is commensalism?
  1. Both species benefit from each other.
  2. One species feeds off another species.
  3. One species inhibits the growth of another species.
  4. One species benefits while the other species is neither harmed or helped.
Grade 10 Evolution
The papaya mealybug is a pest that poses a threat to many tropical plants. Which fate of the mealybug would result from the inability of the species to reproduce?
  1. The species would mutate.
  2. The species would increase.
  3. The species would become extinct.
  4. The species would continue to thrive.
Grade 11 Symbiosis
What is allelopathy?
  1. Both species benefit from each other.
  2. One species feeds off another species.
  3. One species inhibits the growth of another species.
  4. One species benefits while the other species is neither harmed or helped.
Grade 7 Taxonomy
A species is a
  1. type of organism that can coexist.
  2. way of describing an ecosystem.
  3. group of organisms that can successfully mate and reproduce.
  4. group of animals that look the same.
Grade 7 Defining Words
species
  1. an extreme or irrational fear of or aversion to something
  2. causing or worthy of ridicule or derision; laughable
  3. a class of individuals having some common characteristics or qualities
  4. a natural and untrained musical note resembling the song of a bird
Grade 11 Symbiosis
What is mutualism?
  1. Both species benefit from each other.
  2. One species feeds off another species.
  3. One species inhibits the growth of another species.
  4. One species benefits while the other species is neither harmed or helped.
Grade 9 Environmental Science
The gradual buildup of pollutants in living organisms is called what?
  1. Biodiversity
  2. Bioaccumulation
  3. Keystone species
  4. Invasive species
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