Multiple Choice
Which term is correctly matched with its definition
A) biotic factors - interaction of organisms with other organisms
B) ecology - all organisms in a given area with abiotic and biotic factors
C) ecosystem - organisms that are always found in a given environment
D) niche - recycling of life-essential elements and water
Correct Answer:
Verified
Correct Answer:
Verified
Q34: Producers obtain CO₂ from _.<br>A)eating other producers<br>B)the
Q35: Which bacteria assisted in cleaning up after
Q36: Soil contains human pathogens,for instance _.<br>A)Clostridium tetani<br>B)Bacillus
Q37: Sulfur oxidation is carried out by _.<br>A)Thiobacillus<br>B)Desulfovibrio<br>C)Desulfomonas<br>D)Desulfotomaculum
Q38: Nitrogen-fixing bacteria:<br>A)oxidize ammonia to nitrates or nitrites<br>B)oxidize
Q40: A niche includes all of the following
Q41: Sulfate-reducing bacteria are characteristically _.<br>A)strict anaerobes<br>B)desulfovibrio<br>C)utilizing sulfate
Q42: Eutrophication leads to:<br>A)a decrease in oxygen<br>B)plants become
Q43: Which bacteria are found in the desert
Q44: The sulfur cycle is of special importance