For the Week ending 12/09/11
Directions: Choose the word that matches with the definition and appropriately fits into the blank space in the sentence.
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discredited theory that living organisms can develop by spontaneous generation from inanimate material; spontaneous generation
A mad scientist may combine various chemicals in a test tube in an attempt at _______. |
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virus that attacks bacteria only, used extensively in genetic research
A modified bacterial virus, called a _______, is used to deliver gene encoded self-destructive protein production into specific harmful bacteria. |
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two related species becoming increasingly different over time
Sea gulls a wide _______ in plumage, bill shape, wing length, and walking maneuverability in adaptation to different habitats. |
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one complete haploid set of chromosomes and their genes for an organism, containing all its inheritable traits
The Human _______ Project took 13 years to identify some 25,000 genes, at a cost of $3-billion. |
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observable characteristics of an organism
Each _______ of the different sea gulls demonstrates distinctive characteristics shaped by environmental factors. |