Biology: The Dynamics of Life, California Edition

Section 2: Nutrition and Energy Flow

Nutrition and Energy Flow

1.
The air in our atmosphere contains approximately 78 percent of which of these elements?
A)nitrogen
B)carbon
C)calcium
D)phosphorous
2.
Which of these statements is true?
A)Owls are herbivores and bees are decomposers.
B)Fungi are omnivores and squirrels are scavengers.
C)Lions are decomposers and bears are carnivores.
D)Black vultures are scavengers and grasshoppers are herbivores.
3.
Rabbits, elephants, and squirrels are examples of __________.
A)herbivores
B)carnivores
C)producers
D)scavengers
4.
Which of these organisms breaks down and releases nutrients from other dead organisms?
A)herbivores
B)producers
C)decomposers
D)carnivores
5.
What element is considered the building block of all the molecules of life?
A)hydrogen
B)sodium
C)carbon
D)magnesium
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.