BIO 325 uky Exam 1 Questions And Answers
With Complete Solutions | New Update 2026
Individual - ANSWERS the most fundamental unit of ecology
Community - ANSWERS Populations of species living together in a particular
area
Ecosystem - ANSWERS one or more communities of living organisms
interacting with their nonliving physical and chemical environments
Mixotrophs - ANSWERS can switch between being producers and consumers
Detrivores - ANSWERS break down dead organic matter into smaller pieces
Polygenetic Trait - ANSWERS single trait is affected by several genes
Stabilizing Selection - ANSWERS individuals iwth intermediate phenotypes
have higher survival and reproductive success than those with extreme
phenotypes
Directional Selection - ANSWERS individuals with extreme phenotypes
experience higher fitness than the average population phenotypes i.e. Darwin's
finches
, Disruptive Selection - ANSWERS individuals with either extreme phenotype
experience higher fitness than individuals with an intermediate phenotype
Osmoregulation - ANSWERS mechanisms organisms use to maintain a proper
solute balance
Thermal pollution - ANSWERS changing temperature of an environment via
human activity
Necessary Soil Nutrients (7) - ANSWERS C, H, O, N, P, Ca, K
Soil Nutrients come in various compounds (5) - ANSWERS ammonium, nitrate,
phosphate, calcium, potassium
Water Potential - ANSWERS sum of forces that could cause water to move
Matric Potential - ANSWERS potential energy generated by the attractive
forces between water molecules and soil particles
Transpiration - ANSWERS generates water potential in leaves as water
evaporates from the surfaces of leaf cells
Stomata - ANSWERS small openings on leaf surfaces where CO2 enters leaf
and water exits
With Complete Solutions | New Update 2026
Individual - ANSWERS the most fundamental unit of ecology
Community - ANSWERS Populations of species living together in a particular
area
Ecosystem - ANSWERS one or more communities of living organisms
interacting with their nonliving physical and chemical environments
Mixotrophs - ANSWERS can switch between being producers and consumers
Detrivores - ANSWERS break down dead organic matter into smaller pieces
Polygenetic Trait - ANSWERS single trait is affected by several genes
Stabilizing Selection - ANSWERS individuals iwth intermediate phenotypes
have higher survival and reproductive success than those with extreme
phenotypes
Directional Selection - ANSWERS individuals with extreme phenotypes
experience higher fitness than the average population phenotypes i.e. Darwin's
finches
, Disruptive Selection - ANSWERS individuals with either extreme phenotype
experience higher fitness than individuals with an intermediate phenotype
Osmoregulation - ANSWERS mechanisms organisms use to maintain a proper
solute balance
Thermal pollution - ANSWERS changing temperature of an environment via
human activity
Necessary Soil Nutrients (7) - ANSWERS C, H, O, N, P, Ca, K
Soil Nutrients come in various compounds (5) - ANSWERS ammonium, nitrate,
phosphate, calcium, potassium
Water Potential - ANSWERS sum of forces that could cause water to move
Matric Potential - ANSWERS potential energy generated by the attractive
forces between water molecules and soil particles
Transpiration - ANSWERS generates water potential in leaves as water
evaporates from the surfaces of leaf cells
Stomata - ANSWERS small openings on leaf surfaces where CO2 enters leaf
and water exits
