1. Inheritable mutations, which may allow a population to evolve, are produced
A) by chance
B) as a response to environmental
C) as a response to selection pressure
D) by natural selection
E) by artificial selection
2. A man has type B blood and a woman has type A blood. Their children could have the following:
A) A,B, or O
B) AB only
C) AB or O
D) A, B, AB, or O
3. In a deciduous oak forest of the American northeast, one example of an abiotic component of the ecosystem would be ____________________________.
A) worms in the soil that feed on plant roots
B) worms in the soil that feed on dead organic matter
C) sunlight that filters through the canopy
D) animals such as deer that migrate through the forest but do not eat in the forest
E) plants and animals in the same area
4. Which of the following activities decreases greenhouse gases in the atmosphere?
A) Cutting down trees.
B) Driving gasoline powered vehicles.
C) Using electricity from coal-powered plants.
D) Planting trees.
E) Heating your home.
5. If a bird eats an insect that ate a plant, the bird would be considered a(n)
A) autotroph
B) primary producer
C) primary consumer
D) secondary consumer
E) tertiary consumer
6. When energy is converted from one form to another, some of the original energy is "lost" as
A) water
B) heat
C) electrons
D) mechanical energy
E) electrical energy
7. The statement best describes the relationship between plants and animals on earth is
A) plants produce O2 and sugars from CO2
B) animals produce CO2 and H2O from sugars and O2
C) plants produce O2 and sugars and animals produce CO2 and H2O
D) animals produce O2 and sugars and plants produce CO2 and H2O
8. A geneticist found that a particular mutation had no effect on the polypeptide encoded by the gene. The mutation probably involved
A) deletion of one nucleotide
B) alteration of the start codon
C) insertion of one nucleotide
D) substitution of one nucleotide
9. To convert RNA genome into DNA, the HIV virus uses the enzyme
A) DNA polymerase
B) DNA ligase
C) Reverse transcriptase
D) Protease
E) None of the above
10. Elephants travel long distances in search of food. Using vibrations felt in the ground, family members traveling separately can communicate with each other. Based on your knowledge of evolution, the ability to communicate over long distances probably developed __________.
A) slowly over millions of years
B) by accident
C) over a ten year period
D) as a strategy to decrease reproduction
E) as a way to communicate with humans
11. The plasma membrane is _____________________.
A) completely permeable
B) selectively permeable
C) impermeable
D) found only in eukaryotic cells
E) found only in prokaryotic cells
12. The electron transport system involve
A. electron transfer
B. enzymes, coenzymes
C. cell membranes
D. all of the above