Chapter 10 Flashcards
(10 cards)
The unending flows of energy, water, and nutrients through the biosphere are channeled by direct passage from one organism to another in pathways known as
A. carbon cycle.
B. nitrogen cycle.
C. hydrogen cycle.
D. food chains.
E. denitrification.
D. food chains.
In the food chain, carnivores are classified as
A. primary producers.
B. secondary consumers.
C. primary consumers.
D. secondary producers.
E. spontaneous consumers
B. secondary consumers.
The process by which one type of vegetation is naturally replaced by another is known as
A. extinction.
B. plant evolution.
C. plant succession.
D. offshoots.
E. plant transmigration.
C. plant succession.
The contemporary distribution pattern of many organisms is often the result of
A. cold winters.
B. lack of water.
C. natural disasters.
D. human movement.
E. natural migration or dispersal.
E. natural migration or dispersal.
The term biota refers to
A. the total complex of plant and animal life.
B. the complete set of plan communities in the ocean.
C. large scale migration of birds from the south.
D. plants in the sea of Japan suitable for fish food.
E. complex ecosystems at the poles.
A. the total complex of plant and animal life.
The process of converting nitrites back to nitrogen gas is called
A. the nitrogen cycle.
B. nitrate formation.
C. denitrification.
D. the solar cycle.
E. nitrate fixation.
C. denitrification.
Fossil fuels are impacting the carbon cycle by
A. decreasing the amount of carbon in the atmosphere.
B. increasing the amount of carbon in Earth.
C. removing carbon dioxide.
D. adding carbon dioxide.
E. killing plant life.
D. adding carbon dioxide.
The term net primary production refers to
A. yearly net photosynthesis.
B. plant respiration.
C. the number of secondary consumers.
D. daily net photosynthesis.
E. fossil fuel release.
A. yearly net photosynthesis.
Which organism is an example of a producer?
A. Human
B. Lion
C. Snail
D. Gila monster
E. Oak tree
E. Oak tree
Which climate factor affects the shape of flora growth?
A. Temperature
B. Light
C. Moisture
D. Ground cover
E. Age
B. Light
