A green plant is first grown in blue light and then in green light. The likely outcome for photosynthesis in both phases is
A. Decreased plant growth in blue light and no plant growth in green light.
B. No plant growth in blue light and increased plant growth in green light.
C. Increased plant growth in blue light and no plant growth in green light.
D. No plant growth in blue light and decreased plant growth in green light.
C. Increased plant growth in blue light and no plant growth in green light.
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How does DDT in the environment affect many birds?
A. stunted growth of chicks B. chronic liver failure in adults C. advancing neurological degeneration D. decreased reproductive rate
Polyploid individuals arising from chromosome duplications within a single species are called ____
a. allopolyploids b. tetraploids c. triploids d. autopolyploids e. hexaploids
At which level is biodiversity declining world-wide?
1.genetic diversity within species 2.species diversity 3.ecosystem diversity 4.biodiversity is declining at all levels
When a molecule absorbs a photon, one of its electrons is raised to the ________ state
A) energetic B) quantum C) positive D) excited