8th Science Eog 2: Question Preview (ID: 25493)

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Which is an example of a renewable energy resource?
a) biomass
b) coal
c) gas
d) oil

Which will most likely occur in an area of upwelling?
a) higher water temperatures
b) more aquatic life
c) less nutrients in the water
d) fewer nitrates

A scientist finds the bones of a dinosaur. What could help the scientist determine the approximate age of the bones?
a) birds living in the area
b) weather conditions of the area
c) index fossils in the area
d) trees living in the area

Which of these careers would a student studying biotechnology most likely pursue?
a) agricultural research
b) electrical engineering
c) astronomy
d) geology

Which best describes how ice cores are important to the study of geologic history?
a) They contain evidence showing changes in the atmospheric composition over time
b) They show unconformities, which signal changes in deposition
c) They hold index fossils, which are used to date the different ice cores.
d) They follow the Law of Superposition, which gives reasons for extinctions of species.

Which of these organisms is a producer in a marine ecosystem?
a) fish
b) gull
c) worm
d) algae

Which of these is considered a secondary consumer?
a) rose bush
b) worm
c) robin
d) grass

Which best determines the number of species that can live in an area?
a) the amount of rainfall in an area
b) the amount of food available in the area
c) the amount of shade in an area
d) the amount of sun in an area

What happens to a population and competition when there is a reduction in living space?
a) Population expands; competition intensifies
b) Population contracts; competition strengthens
c) Population increases: competition decreases
d) Population decreases; competition weakens

Where is largest amount of energy found?
a) Consumers
b) Decomposers
c) Secondary Consumers
d) Producers

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