Biology 12/6 Quiz

44 cards   |   Total Attempts: 188
  

Cards In This Set

Front Back
True or False:
Omnivores feed only on primary producers.
False
True or False:
When an organism dies, the nitrogen in its body is released released by decomposers.
True
True or False:
A food chain is made up of interrelated food webs.
False
True or False:
All organisms in an ecosystem are part if the food web of that ecosystem.
True
True or False:
A change in the number of predators in a food web can affect an entire ecosystem.
True
True or False:
Decomposers absorb engery from organisms by breaking down living tissue.
False
True or False:
the source of enegry of an organism determines its tropic level.
True
True or False:
A trophic level is a group of organisms whose engery sources are the same level away from the sun.
false
True or False:
Organisms at higher trophic levels tend to be fewer in number than those at lower trophic levels.
True
True or False:
Producers in an ecosystem transfer all of their energy to primary-level consumers
False
True or False:
Carbon dioxide is one of the reactants in cellular respiration.
False
True or False:
Photosynthesis and cellular respiration have opposite reactions. Cellular respiration uses the products from photosynthesis as its reactants.
True
True or False:
Plants cannot live without humans, but humans can live without plants.
False
The niche of a deer in a forest is that of a herbivore. The niche of a courgar that eats the deer in that of a _____________.
Carnovire
Animals known as _________ eat ONLY primary producers.
Herbaivore