Fact 1: Mutations are essential for evolution to occur. Fact 2: Besides, evolution means stronger members of the species survive. Given the two facts above, what helps species grow stronger?
OPTIONS:
- weakness
- layers of fat
- a cuticle
- exercise
- pain
- mutations
- pleasure
- roots
mutations
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Fact 1: Erosion causes a river to become deeper and wider. Fact 2: Less soil is lost to erosion. Given the two facts above, what loss causes a river to become deeper and wider?
OPTIONS:
- cut
- fish
- rain
- storms
- eroded
- water
- habitat
- soil
soil
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Fact 1: Viruses often infect bacteria. Fact 2: Phages, or bacteriophages are viruses that infect bacteria. Given the two facts above, what do bacteriophages infect?
OPTIONS:
- Bacteria
- animals
- the skin
- alveoli
- food
- Most plants
- PDAs
- lungs
Bacteria
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Fact 1: DNA is found in chromosomes. Fact 2: Chromosomes are found in the nucleus of a cell. Given the two facts above, where is DNA found in?
OPTIONS:
- colors of the spectrum
- A computer
- the body's largest organ
- non nucleic cells
- nucleus of a cell
- epidermis and dermis
- cornified cells
- red blood cells
nucleus of a cell
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