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Grade 10 Evolution
Grade 9 Cell Structure and Function
Because the cell membrane chooses the materials that can cross through its boundary, it is
  1. selectively porous.
  2. selectively permeable.
  3. selectively fluid.
  4. selectively solid.
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
According to Darwin's theory of evolution, how do new species evolve?
  1. artificial selection
  2. random chance
  3. natural selection
  4. unnatural selection
Grade 7 Evolution
Grade 8 World War I
The                       provided for a system of conscription.
  1. Selective State Act
  2. Selective Men Act
  3. Selective Service Act
Graduate Evolution
As what is evolutionary fitness defined?
  1. Sexual selection
  2. The ability of an organism to survive and reproduce
  3. Directional Selection
  4. Selected for or against
Grade 8 Evolution
One kind of modern evidence for evolution is                      .
  1. change.
  2. natural selection.
  3. selection.
  4. transitional fossils.
Grade 11 Applied Arts
Grade 10 Evolution
Sparrows with average–sized wings survive severe storms better than those with longer or shorter wings, illustrating
  1. the bottleneck effect.
  2. disruptive selection.
  3. frequency–dependent selection.
  4. neutral variation.
  5. stabilizing selection.
Grade 10 Evolution
The percentage of a particular allele present in a gene pool is
  1. allele frequency.
  2. genetic drift.
  3. directional selection.
  4. disruptive selection.
Grade 9 Evolution
When farmers breed the largest hogs, the fastest horses, or the cows that produce the most milk, this practice is called
  1. homologous variation.
  2. survival of the fittest.
  3. artificial selection.
  4. natural selection.
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