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Search Results for species - All Grades

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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 11 Communities, Populations, and Ecosystems
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 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
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 12 Taxonomy
What 2 taxa are used for binomial nomenclature?
  1. kingdom, species
  2. genus, family
  3. genus, species
  4. phylum, species
Grade 10 Succession
The first organisms to repopulate an area affected by a volcanic eruption are
  1. pioneer species.
  2. primary producers.
  3. climax species.
  4. keystone species.
Grade 7 Evolution
Grade 7 Defining Words
  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
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 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.
College Conservation and Biodiversity
Grade 4 Taxonomy
Choose the correct taxonomy order:
  1. Kingdom, Domain, Genus, Species
  2. Domain, Kingdom, Genus,Species
  3. Domain, Kingdom, Species, Genus
  4. Kingdom, Domain, Species, Genus
Grade 9 Latin American Geography
The Amazon River Basin is home to more species of plants and animals than any other ecosystem in the world -                                        .
  1. an estimated 50% of the world’s species
  2. an estimated 10% of the world’s species
  3. an estimated 20% of the world’s species
  4. an estimated 30% of the world’s species
Grade 7 Zoology
There are no annelid species that are
  1. internal parasites.
  2. external parasites.
  3. free living in dirt.
  4. free living in water.
Grade 6 Taxonomy
The definition of species is:
  1. a group of organisms with similar traits
  2. to breed or reproduce
  3. a tropical forest
  4. a barren wasteland
Grade 11 Conservation and Biodiversity
Invasive species are
  1. usually not a threat to biodiversity
  2. rare in island habitats
  3. successful due to a lace of natural enemies
  4. often unable to compete effectively in the new environment
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