USAFA Bio 215 Final UPDATED Exam
Questions and CORRECT Answers
Large Intestine - CORRECT ANSWER - Main function: Absorb remaining water and
some vitamins and transports undigested food
Step of Digestion: Absorption and elimination
Type of Digestion: N/A
Absorbs: remaining water, electrolytes, trace vitamins /minerals
Science - CORRECT ANSWER - A process of inquiry that is repeatable, testable, and
evidence-based.
Goal of Science - CORRECT ANSWER - understand the natural world.
Characteristics of Science - CORRECT ANSWER - Consistent/Repeatable, Predictable,
Testable, Observable, Natural, Tentative?
Biology - CORRECT ANSWER - The study of living organisms and their environments
Hypothesis - CORRECT ANSWER - A proposed explanation for a narrow range of
observations
Theory - CORRECT ANSWER - Comprehensive and well-sustained explanation
Fact - CORRECT ANSWER - Objectively true statements based on all current evidence
Law - CORRECT ANSWER - Based on repeated experiments or observations, that
predicts but does not explain a natural phenomenon
,Process of Science - CORRECT ANSWER - observing events, organizing knowledge, and
providing explanations through the formulation and testing of hypotheses
Qualitative Data - CORRECT ANSWER - •interpretation-based, descriptive and relating
to language
Quantitative Data - CORRECT ANSWER - is numbers based, countable or measurable
Ecology - CORRECT ANSWER - Distribution and abundance of organisms
Interactions between organisms
transformation and flux of energy and matter
interactions among organisms
Biotic Factors - CORRECT ANSWER - living components of an enviorment
Abiotic factors - CORRECT ANSWER - Nonliving components of environment.
Individual - CORRECT ANSWER - evolutionary adaptations of individuals
Population (ecology) - CORRECT ANSWER - population density and growth in one
species
Community - CORRECT ANSWER - interactions between species
Ecosystem - CORRECT ANSWER - energy flow and cycling of chemicals
Physiological Response to Abiotic Changes - CORRECT ANSWER - change in body
processes
,Anatomical Response to Abiotic Changes - CORRECT ANSWER - change in body
structure
Behavioral Response to Abiotic Changes - CORRECT ANSWER - change in actions
Carbon Cycle - CORRECT ANSWER - movement and storage of carbon through the
atmosphere, hydrosphere, biosphere, and geosphere of the earth system.
Communities - CORRECT ANSWER - gatherings of different populations that live
together in a defined area
Biotic interactions - CORRECT ANSWER - drives much of the rich diversity of form and
function
Mutualism - CORRECT ANSWER - both species benefit
Commensalism - CORRECT ANSWER - One species benefit, one species is neutral
Consumer/Resource - CORRECT ANSWER - One species benefits, one species doesn't
Competition - CORRECT ANSWER - Both species don't benefit
Food Chains - CORRECT ANSWER - The linear path of energy flow
Detritivores - CORRECT ANSWER - feed on the decaying organic material
Decomposers - CORRECT ANSWER - digest organic material to inorganic
, Energy Transfer Efficiency - CORRECT ANSWER - ~1% efficient from sun
~10% efficient between each level
Keystone Species - CORRECT ANSWER - Keystone Species are species which have had
an impact which far exceeds what would be expected of the organism based on its size and/or
numbers
Zoonotic Disease - CORRECT ANSWER - disease that can be passed between animals
and humans
Emergent Infectious Disease - CORRECT ANSWER - infections that have recently
appeared within a population or those whose incidence or geographic range is rapidly increasing
Spillover - CORRECT ANSWER - a single event during which a pathogen from on
species moves into another species
Species Diversity - CORRECT ANSWER - a measure of the number and abundance of
each species living in a particular area
Ecosystem Diversity - CORRECT ANSWER - Ecosystem Services
Ecosystem Services - CORRECT ANSWER - nutrient recycling
erosion prevention
pest control
crop pollination
Loss of Biodiversity - CORRECT ANSWER - loss of Air and Water purification,
climate regulation, Erosion control, renewal of soil, control of agricultural pests
Questions and CORRECT Answers
Large Intestine - CORRECT ANSWER - Main function: Absorb remaining water and
some vitamins and transports undigested food
Step of Digestion: Absorption and elimination
Type of Digestion: N/A
Absorbs: remaining water, electrolytes, trace vitamins /minerals
Science - CORRECT ANSWER - A process of inquiry that is repeatable, testable, and
evidence-based.
Goal of Science - CORRECT ANSWER - understand the natural world.
Characteristics of Science - CORRECT ANSWER - Consistent/Repeatable, Predictable,
Testable, Observable, Natural, Tentative?
Biology - CORRECT ANSWER - The study of living organisms and their environments
Hypothesis - CORRECT ANSWER - A proposed explanation for a narrow range of
observations
Theory - CORRECT ANSWER - Comprehensive and well-sustained explanation
Fact - CORRECT ANSWER - Objectively true statements based on all current evidence
Law - CORRECT ANSWER - Based on repeated experiments or observations, that
predicts but does not explain a natural phenomenon
,Process of Science - CORRECT ANSWER - observing events, organizing knowledge, and
providing explanations through the formulation and testing of hypotheses
Qualitative Data - CORRECT ANSWER - •interpretation-based, descriptive and relating
to language
Quantitative Data - CORRECT ANSWER - is numbers based, countable or measurable
Ecology - CORRECT ANSWER - Distribution and abundance of organisms
Interactions between organisms
transformation and flux of energy and matter
interactions among organisms
Biotic Factors - CORRECT ANSWER - living components of an enviorment
Abiotic factors - CORRECT ANSWER - Nonliving components of environment.
Individual - CORRECT ANSWER - evolutionary adaptations of individuals
Population (ecology) - CORRECT ANSWER - population density and growth in one
species
Community - CORRECT ANSWER - interactions between species
Ecosystem - CORRECT ANSWER - energy flow and cycling of chemicals
Physiological Response to Abiotic Changes - CORRECT ANSWER - change in body
processes
,Anatomical Response to Abiotic Changes - CORRECT ANSWER - change in body
structure
Behavioral Response to Abiotic Changes - CORRECT ANSWER - change in actions
Carbon Cycle - CORRECT ANSWER - movement and storage of carbon through the
atmosphere, hydrosphere, biosphere, and geosphere of the earth system.
Communities - CORRECT ANSWER - gatherings of different populations that live
together in a defined area
Biotic interactions - CORRECT ANSWER - drives much of the rich diversity of form and
function
Mutualism - CORRECT ANSWER - both species benefit
Commensalism - CORRECT ANSWER - One species benefit, one species is neutral
Consumer/Resource - CORRECT ANSWER - One species benefits, one species doesn't
Competition - CORRECT ANSWER - Both species don't benefit
Food Chains - CORRECT ANSWER - The linear path of energy flow
Detritivores - CORRECT ANSWER - feed on the decaying organic material
Decomposers - CORRECT ANSWER - digest organic material to inorganic
, Energy Transfer Efficiency - CORRECT ANSWER - ~1% efficient from sun
~10% efficient between each level
Keystone Species - CORRECT ANSWER - Keystone Species are species which have had
an impact which far exceeds what would be expected of the organism based on its size and/or
numbers
Zoonotic Disease - CORRECT ANSWER - disease that can be passed between animals
and humans
Emergent Infectious Disease - CORRECT ANSWER - infections that have recently
appeared within a population or those whose incidence or geographic range is rapidly increasing
Spillover - CORRECT ANSWER - a single event during which a pathogen from on
species moves into another species
Species Diversity - CORRECT ANSWER - a measure of the number and abundance of
each species living in a particular area
Ecosystem Diversity - CORRECT ANSWER - Ecosystem Services
Ecosystem Services - CORRECT ANSWER - nutrient recycling
erosion prevention
pest control
crop pollination
Loss of Biodiversity - CORRECT ANSWER - loss of Air and Water purification,
climate regulation, Erosion control, renewal of soil, control of agricultural pests
