Pre AP Biology STAAR Practice UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Hypothesis - CORRECT ANSWER - educated prediction
Theory - CORRECT ANSWER - group of principles that explain a phenomena
Law - CORRECT ANSWER - a statement of the manner or order in which a defined
group of natural phenomena occur under certain conditions.
Scientific Method - CORRECT ANSWER - Process to learn about something in the
natural world, etc.; observe, question, hypothesize, test, analyze and conclude.
Abiotic factors - CORRECT ANSWER - Physical aspects of a habitat (ex. Rocks)
Biotic factors - CORRECT ANSWER - living organisms in a habitat.
Cycles - CORRECT ANSWER - water, carbon, nitrogen
Food chain - CORRECT ANSWER - Path of energy through the trophic levels of an
ecosystem
Food web - CORRECT ANSWER - Interconnected group of food chains
Energy Pyramids - CORRECT ANSWER - Shows energy movement in an ecosystem
(most energy is at the bottom)
, Affect populations - CORRECT ANSWER - predation, completion, crowding, H20,
nutrients and shelter.
Commensalism - CORRECT ANSWER - One benefits other not harmed.
Parasitism - CORRECT ANSWER - Feed or live on another organism; bad for host
Mutualism - CORRECT ANSWER - good for both in relationship
Primary succession - CORRECT ANSWER - Progression of species replacement where
no plants have grown before
Secondary succession - CORRECT ANSWER - Where there was previous growth (ex.
Abandoned field)
Organism - CORRECT ANSWER - Any living thing
Population - CORRECT ANSWER - Group of individuals of same species, live in same
area and breed with others in the group.
Community - CORRECT ANSWER - Many different species living together in a habitat
Ecosystem - CORRECT ANSWER - A community and all the physical aspects of its
habitat
Biome - CORRECT ANSWER - Major biological community
Human impact on the environment - CORRECT ANSWER - acid rain, chemical spills,
ozone hole, global warming, deforestation, extinction of species, water pollution, etc.
ACTUAL Exam Questions and CORRECT
Answers
Hypothesis - CORRECT ANSWER - educated prediction
Theory - CORRECT ANSWER - group of principles that explain a phenomena
Law - CORRECT ANSWER - a statement of the manner or order in which a defined
group of natural phenomena occur under certain conditions.
Scientific Method - CORRECT ANSWER - Process to learn about something in the
natural world, etc.; observe, question, hypothesize, test, analyze and conclude.
Abiotic factors - CORRECT ANSWER - Physical aspects of a habitat (ex. Rocks)
Biotic factors - CORRECT ANSWER - living organisms in a habitat.
Cycles - CORRECT ANSWER - water, carbon, nitrogen
Food chain - CORRECT ANSWER - Path of energy through the trophic levels of an
ecosystem
Food web - CORRECT ANSWER - Interconnected group of food chains
Energy Pyramids - CORRECT ANSWER - Shows energy movement in an ecosystem
(most energy is at the bottom)
, Affect populations - CORRECT ANSWER - predation, completion, crowding, H20,
nutrients and shelter.
Commensalism - CORRECT ANSWER - One benefits other not harmed.
Parasitism - CORRECT ANSWER - Feed or live on another organism; bad for host
Mutualism - CORRECT ANSWER - good for both in relationship
Primary succession - CORRECT ANSWER - Progression of species replacement where
no plants have grown before
Secondary succession - CORRECT ANSWER - Where there was previous growth (ex.
Abandoned field)
Organism - CORRECT ANSWER - Any living thing
Population - CORRECT ANSWER - Group of individuals of same species, live in same
area and breed with others in the group.
Community - CORRECT ANSWER - Many different species living together in a habitat
Ecosystem - CORRECT ANSWER - A community and all the physical aspects of its
habitat
Biome - CORRECT ANSWER - Major biological community
Human impact on the environment - CORRECT ANSWER - acid rain, chemical spills,
ozone hole, global warming, deforestation, extinction of species, water pollution, etc.
