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.
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 _______. |
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. |
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. |
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. |
observable characteristics of an organism
Each _______ of the different sea gulls demonstrates distinctive characteristics shaped by environmental factors. |