1|Page
AP BIOLOGY ECOLOGY QUESTIONS &
ANSWERS FOR GUARANTEED SUCCESS
Succession:-correct-answer-the process by which the structure of a biological
community evolves over time
Primary Succession:-correct-answer-a type of ecological succession that occurs in
an area where there were originally no organisms present and where soil has not
yet formed
Secondary Succession:-correct-answer-a type of succession that occurs where an
existing community has been cleared by some disturbance that leaves the soil or
substance intact
Photoautotrophs:-correct-answer-an organism that harnesses light energy to drive
the synthesis of organic compounds from Carbon Dioxide (CO2)
Chemoautotrophs:-correct-answer-an organism that needs only CO2 as a carbon
source but obtains energy by oxidizing inorganic substances
, 2|Page
Herbivore:-correct-answer-an animal that eats mainly plants or algae
Carnivore:-correct-answer-an animal that mainly eats other animals
Detritivore:-correct-answer-a consumer that derives its energy and nutrients from
nonliving organic material such as corpses, fallen plant material, and the wastes of
living organism (a decomposer)
Food Chain:-correct-answer-the pathway along which food energy is transferred
from trophic level to trophic level, beginning with producers
Food Web:-correct-answer-the interconnected feeding relationships in an
ecosystem
Trophic Levels:-correct-answer-the positions organisms occupy in a food chain
Secondary Consumer:-correct-answer-a carnivore that eats herbivores
AP BIOLOGY ECOLOGY QUESTIONS &
ANSWERS FOR GUARANTEED SUCCESS
Succession:-correct-answer-the process by which the structure of a biological
community evolves over time
Primary Succession:-correct-answer-a type of ecological succession that occurs in
an area where there were originally no organisms present and where soil has not
yet formed
Secondary Succession:-correct-answer-a type of succession that occurs where an
existing community has been cleared by some disturbance that leaves the soil or
substance intact
Photoautotrophs:-correct-answer-an organism that harnesses light energy to drive
the synthesis of organic compounds from Carbon Dioxide (CO2)
Chemoautotrophs:-correct-answer-an organism that needs only CO2 as a carbon
source but obtains energy by oxidizing inorganic substances
, 2|Page
Herbivore:-correct-answer-an animal that eats mainly plants or algae
Carnivore:-correct-answer-an animal that mainly eats other animals
Detritivore:-correct-answer-a consumer that derives its energy and nutrients from
nonliving organic material such as corpses, fallen plant material, and the wastes of
living organism (a decomposer)
Food Chain:-correct-answer-the pathway along which food energy is transferred
from trophic level to trophic level, beginning with producers
Food Web:-correct-answer-the interconnected feeding relationships in an
ecosystem
Trophic Levels:-correct-answer-the positions organisms occupy in a food chain
Secondary Consumer:-correct-answer-a carnivore that eats herbivores
