Q6: Biomagnification occurs when
A- toxic substances that accumulate in one organism get transferred to its predator
B- birds of prey are harvested by humans
C- organisms take up toxic chemicals from the environment
D- toxic substances threaten ecosystem services
Q7: A good hypothesis is
A- eventually turned into law
B- testable and falsifiable
C- proof of a theory
D- a fact that is supported by fundamental principles of physics and chemistry
E- a rule of thumb
Q8: The precautionary principle
A- is the same as the "innocent until proven guilty" approach
B- brings substances to market cautiously, only after extensive testing
C- brings products to market relatively quickly after limited testing, and are removed when more extensive testing proves them harmful
D- states that mandatory testing will hamper the introduction of products that consumers want
Q9: What is true about native species on the Hawaiian islands?
A- island dwelling species that have lost defenses are vulnerable to extinction when enemies are introduced
B- many evolved for millions of years without needing to defend themselves against the threat of predation by mammals
C- many are endemic
D- all of the above are true
Q10: Logisitc growth?
A- has no limiting factors and populations rise exponentially
B- has limiting factors that determine a carrying capacity
Q11
_________ have already undergone the demographic transition.
A- developing countries
B- developed countries
C- countries with high replacement fertility rates
D- agrarian societies
E- none of the above
Q6: Biomagnification occurs when
A- toxic substances that accumulate in one organism get transferred to its predator |
B- birds of prey are harvested by humans |
C- organisms take up toxic chemicals from the environment |
D- toxic substances threaten ecosystem services |
Q7: A good hypothesis is
A- eventually turned into law |
B- testable and falsifiable |
C- proof of a theory |
D- a fact that is supported by fundamental principles of physics and chemistry |
E- a rule of thumb |
Q8: The precautionary principle
A- is the same as the "innocent until proven guilty" approach |
B- brings substances to market cautiously, only after extensive testing |
C- brings products to market relatively quickly after limited testing, and are removed when more extensive testing proves them harmful |
D- states that mandatory testing will hamper the introduction of products that consumers want |
Q9: What is true about native species on the Hawaiian islands?
A- island dwelling species that have lost defenses are vulnerable to extinction when enemies are introduced |
B- many evolved for millions of years without needing to defend themselves against the threat of predation by mammals |
C- many are endemic |
D- all of the above are true |
Q10: Logisitc growth?
A- has no limiting factors and populations rise exponentially |
B- has limiting factors that determine a carrying capacity |
Q11
_________ have already undergone the demographic transition.
A- developing countries |
B- developed countries |
C- countries with high replacement fertility rates |
D- agrarian societies |
E- none of the above |