10. Which is a more complete model of feeding relationships? (1 point)
protein building
food map
food web
food chain
11. Which is a single individual from a population? (1 point)
organism
ecosystem
community
niche
12. Drought, fewer plants, and fewer nesting sites are examples of ____ factors. (1 point)
biotic
abiotic
limiting
carrying
13. Which of the following would help conserve natural resources? (1 point)
using solar panels
recycling plastic bottles
ridding the environment of harmful pollutants
all of the above
14. Of the following, which is a nonrenewable natural resource? (1 point)
phosphorus
wood
cotton
water
15. Arrow C in Figure 19-1 is best described as ____. (1 point)
solar radiation
carbon dioxide in the atmosphere
heat trapped near Earth's surface
chlorofluorocarbons
16. Figure 19-1 represents the ____. (1 point)
photovoltaic cell
greenhouse effect
use of hydroelectric power
use of nuclear energy
17. Most air pollution results from ____. (1 point)
the burning of fossil fuels
nuclear energy use
volcanic eruptions
the evaporation of chemicals such as paints and dry-cleaning fluid
18. An advantage of nuclear energy is that ____. (1 point)
uranium is a nonrenewable resource
it does not contribute to air pollution
it makes use of the wind
it makes use of hot water from geysers
19. Explain how groundwater can become polluted. (3 points)
20. Why is conservation important today? (3 points)
21. You notice green scum floating on the surface of a pond. How can you tell whether these organisms are plants? (3 points)
Tags: