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Hydrosphere
Ecosystems
Structures and Functions
Molecular Biology
Energy
100
Which will most likely result if there is increased upwelling in a coastal area? A more aquatic life B less nutrients in the water C higher water temperatures D fewer nitrates
A more aquatic life
100
Which is an example of parasitism? A cat and mouse B tadpole and frog C human and tapeworm D caterpillar and butterfly
C human and tapeworm
100
Which statement correctly describes a way that bacteria are used in biotechnology? A Bacteria make human cells that make insulin. B Human insulin made by bacteria is injected into humans. C Bacteria that make insulin are implanted in humans. D Human insulin coding bacterial genes are spliced into human cells.
B Human insulin made by bacteria is injected into humans.
100
Many factors affect human health. Which term best describes diet and exercise for most adults? A lifestyle choice B environmental factor C genetic predisposition D medically prescribed behavior
A lifestyle choice
100
What would most likely happen to the cost of gasoline if the supply of petroleum decreased? A It would increase. B It would decrease. C It would stay the same.
A It would increase.
200
Which marine ecosystem is independent of sunlight? A estuary B whale fall C black smoker D open ocean
C black smoker
200
Carolina wrens and painted buntings are two bird species that live in overlapping territories. They have different requirements for food and nesting. Which term best describes the relationship between the two species? A parasitism B symbiosis C coexistence D mutualism
C coexistence
200
For centuries, farmers have been taking cuttings of productive plants and rooting the cuttings to make new plants. Which kind of modern technology uses genetic information most similarly to the cutting and rooting process? A genetic engineering B DNA fingerprinting C cloning of organisms D antibody therapy
C cloning of organisms
200
Which lifestyle choices are unhealthy? A daily exercise B maintaining a high body mass index C a diet high in vegetables and low in proteins
B maintaining a high body mass index
200
Which best describes how the negative environmental impact of transforming fossil fuels into energy can be reduced? A find more efficient ways to use fossil fuels B find a way to capture energy lost during transformation C find a way to create more smoke and soot for the environment
B find a way to capture energy lost during transformation
300
A small town is building their first water treatment plant. Their primary disinfectant is UV radiation. Which contaminant will UV radiation eliminate? A bacteria B metals C sediment D oil
A bacteria
300
When animals break down glucose to create energy, they release water and carbon dioxide (CO2.) How can carbon dioxide (CO2) be reused within the food web? A It can be used by animals as a source of oxygen. B It can be used by both plants and animals to produce energy. C It can be used by plants during photosynthesis to create glucose.
It can be used by plants during photosynthesis to create glucose.
300
Humans occasionally become infected with common colds and flu after flying on crowded airplanes. Which microscopic biological hazard is most likely responsible? A food-borne bacteria B airborne contagions C vector-borne parasites D environmental mutagens
B airborne contagions
300
Which energy transformation occurs during active transport in a cell? A light energy → chemical energy B kinetic energy → potential energy C chemical energy → mechanical energy D mechanical energy → electrical energy
C chemical energy → mechanical energy
300
Which would most likely result from extremely hot water, used to cool a nuclear reactor, being pumped into a local lake? A a fish kill due to lowered dissolved oxygen B more fish because of warmer water C an algal bloom in the lake
A a fish kill due to lowered dissolved oxygen
400
How does the water in an estuary compare to the water in the open ocean? A Estuaries have less concentrated nutrients and salt. B Estuaries have more concentrated nutrients and salt. C Estuaries have less concentrated nutrients and more concentrated salt. D Estuaries have more concentrated nutrients and less concentrated salt.
D Estuaries have more concentrated nutrients and less concentrated salt.
400
Which best explains the role of plants in the carbon cycle? A Plants take in oxygen and release carbon dioxide. B Plants take in carbon dioxide released by other organisms. C Plants take in carbon dioxide and pass it directly to animals.
B Plants take in carbon dioxide released by other organisms.
400
Which best compares bacteria and viruses? A Bacteria are smaller than viruses. B Bacteria cause disease, but viruses do not. C Bacteria are living organisms, but viruses are not. D Bacteria have genetic material, but viruses do not.
C Bacteria are living organisms, but viruses are not.
400
A lion and a crocodile are both large animals, but a lion has to eat much more than a crocodile of the same mass to survive. Which statement best explains the difference? A The crocodile eats larger prey than the lion can. B The lion can store much more food than the crocodile can. C The crocodile uses its food more efficiently than the lion does. D The lion has to generate thermal energy and the crocodile does not.
D The lion has to generate thermal energy and the crocodile does not.
400
Which would most likely result from an oil rig in the Gulf of Mexico that begins to leak crude oil? A The leaking oil would permanently damage or destroy the ecosystems of the Gulf. B The water would easily dissolve the leaking oil before any damage could be caused. C The leaking oil would easily be cleaned up and no damage would be done to the Gulf.
A The leaking oil would permanently damage or destroy the ecosystems of the Gulf.
500
What adaptation is necessary in intertidal ecosystems but not in reef ecosystems? A the ability to live in salt water B the ability to use oxygen in respiration C the ability to cope with daily dry periods D the ability to blend into the surroundings
C the ability to cope with daily dry periods
500
One male and one female goldfish are placed into a 5-gallon aquarium and are fed each day. One male and one female goldfish are placed into a 10-gallon aquarium and are fed each day. Which most likely represents the number of goldfish in each aquarium after several months? A 2 goldfish in 5-gallon aquarium; 2 goldfish in 10-gallon aquarium B 5 goldfish in 5-gallon aquarium; 12 goldfish in 10-gallon aquarium C 12 goldfish in 5-gallon aquarium; 5 goldfish in 10-gallon aquarium
B 5 goldfish in 5-gallon aquarium; 12 goldfish in 10-gallon aquarium
500
Reteplase, a blood thinner, is a recombinant protein made by E. coli. What does the word recombinant indicate about this protein? A It is made by blending two different proteins. B It is made by blending the nucleotides of two genes. C It is made by splicing human genes into E. coli DNA. D It is made by giving E. coli nutrients it would not get naturally.
C It is made by splicing human genes into E. coli DNA.
500
Corn is a popular feed for pigs because it is high in carbohydrates. However, it has a very low level of the amino acid lysine, so farmers usually add high-lysine feeds to the corn. Which statement best explains why lysine levels in pig feed are important? A Cells stop making protein when their supply of lysine runs out. B Cells stop replicating DNA when their supply of lysine runs out. C Cells stop processing carbohydrates when their supply of lysine runs out. D Cells stop repairing cell membranes when their supply of lysine runs out.
A Cells stop making protein when their supply of lysine runs out.
500
Which form of energy transformation would result in the emission of the greenhouse gas methane? A nuclear energy B solar energy C coal mining
C coal mining