BIO 215 - Exam 1 and 2 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
What is ecology - CORRECT ANSWER - the study of relationship between organisms and
the environment
Earth's climatic variation is due to - CORRECT ANSWER - spherical shape of the earth,
earths axial rotation as it orbits the sun, uneven heating of the earths surface
Evolution results from what 4 things - CORRECT ANSWER - natural selection, mutation,
genetic drift, gene flow
Darwin talks about what three things and NOT ____ ________ - CORRECT ANSWER -
talks about: adaptation, natural selection, fitness
does NOT: gene frequencies
Evolution is a change in ... - CORRECT ANSWER - a change in gene frequencies in a
population
Artificial selection - CORRECT ANSWER - the term used to describe how humans have
domesticated plants and animals
Adaption to the environment by a population includes - CORRECT ANSWER - (1)
variation in characteristics among individuals in a population
(2) anatomy, physiology, and/or behavior
(3) improved ability to live in the environment
(4) evolution
, Age distribution of a population will reveal - CORRECT ANSWER - growth potential,
survivorship and reproduction
Metapopulation - CORRECT ANSWER - spatially isolated patches connected by
exchange of individuals among patches
Africanized honeybee will stop moving north because... - CORRECT ANSWER - because
of unfavorable climatic factors
Bird populations have indicated that are _________, distributed on a _______ scale - CORRECT
ANSWER - (1) clumped
(2) large
Characteristics of a population - CORRECT ANSWER - (1) consist of single species
(2) have an age distribution
(3) birth rate
(4) have an emigration rate
Logistic Growth - CORRECT ANSWER - dN/dt=rN[(1-N/K]
Exponential Population Growth - CORRECT ANSWER - dN/dt=rN
The logistic model of population growth if N>K then - CORRECT ANSWER - both r is
negative and the population declines
R selection (instead of K) - CORRECT ANSWER - multiple generations are produced per
year, small body size, rapid development, high r and early reproduction
Niches - CORRECT ANSWER - two species can NEVER be in the same niche
ACTUAL Exam Questions and CORRECT
Answers
What is ecology - CORRECT ANSWER - the study of relationship between organisms and
the environment
Earth's climatic variation is due to - CORRECT ANSWER - spherical shape of the earth,
earths axial rotation as it orbits the sun, uneven heating of the earths surface
Evolution results from what 4 things - CORRECT ANSWER - natural selection, mutation,
genetic drift, gene flow
Darwin talks about what three things and NOT ____ ________ - CORRECT ANSWER -
talks about: adaptation, natural selection, fitness
does NOT: gene frequencies
Evolution is a change in ... - CORRECT ANSWER - a change in gene frequencies in a
population
Artificial selection - CORRECT ANSWER - the term used to describe how humans have
domesticated plants and animals
Adaption to the environment by a population includes - CORRECT ANSWER - (1)
variation in characteristics among individuals in a population
(2) anatomy, physiology, and/or behavior
(3) improved ability to live in the environment
(4) evolution
, Age distribution of a population will reveal - CORRECT ANSWER - growth potential,
survivorship and reproduction
Metapopulation - CORRECT ANSWER - spatially isolated patches connected by
exchange of individuals among patches
Africanized honeybee will stop moving north because... - CORRECT ANSWER - because
of unfavorable climatic factors
Bird populations have indicated that are _________, distributed on a _______ scale - CORRECT
ANSWER - (1) clumped
(2) large
Characteristics of a population - CORRECT ANSWER - (1) consist of single species
(2) have an age distribution
(3) birth rate
(4) have an emigration rate
Logistic Growth - CORRECT ANSWER - dN/dt=rN[(1-N/K]
Exponential Population Growth - CORRECT ANSWER - dN/dt=rN
The logistic model of population growth if N>K then - CORRECT ANSWER - both r is
negative and the population declines
R selection (instead of K) - CORRECT ANSWER - multiple generations are produced per
year, small body size, rapid development, high r and early reproduction
Niches - CORRECT ANSWER - two species can NEVER be in the same niche
