BIOD 101 FINAL REVIEW SHEET 2026
PORTAGE LEARNING FULL
QUESTIONS AND ACCURATE
ANSWERS
◉ 2) All the living things on Earth along with all the places where life
exists are collectively described by which of the following terms?
A) an ecosystem
B) the biosphere
C) a biological community
D) a population. Answer: b) The Biosphere
◉ All the individuals of a particular species living within the bounds of a
specified area are collectively described by which of the following
terms?
A) a biological system
B) a biosphere
C) a biological community
D) a population. Answer: d) The Population
◉ Which of the following correctly describes the forms by which energy
flows through an ecosystem from entry to exit?
A) heat → chemical → heat
B) light → heat → chemical
,C) light → chemical → heat
D) chemical → heat → light. Answer: C) light → chemical → heat
◉ 5) Which of the following represents the correct hierarchy of
biological organization from large scale to smaller scale?
A) ecosystems → biosphere → communities → populations →
organisms
B) communities → populations → organisms → ecosystems →
biosphere
C) biosphere → communities → populations → ecosystems →
organisms
D) biosphere → ecosystems → communities → populations →
organisms
E) biosphere → ecosystems → populations→ communities →
organisms. Answer: D) biosphere → ecosystems → communities →
populations → organisms
◉ A single-celled organism isolated from a deep-sea, hot thermal vent
was found to have a cell wall but lacked a nucleus. This organism is
most likely a member of which of the following domains?
A) Eukarya
B) Archaea
C) Animalia
D) Plantae
E) Fungi. Answer: B) Archaea
, ◉ 7) Charles Darwin proposed that "descent with modification"
resulted when organisms of a particular species become adapted to
their environment because they possess which of the following
characteristics?
A) nonheritable traits that enhance survival and decrease their
reproductive success in the local environment
B) nonheritable traits that enhance their survival and reproductive
success in the local environment
C) heritable traits that enhance their survival and reproductive success
in the local environment
D) heritable traits that enhance their survival and decrease their
reproductive success in the local environment. Answer: C) heritable
traits that enhance their survival and reproductive success in the local
environment
◉ 9) The variation observed among the finches Darwin collected from
the Galápagos Islands illustrate which of the following principles
associated with the evolution of species?
A) mutation frequency
B) production of more offspring than can survive
C) descent with modification
D) the accuracy of the fossil record. Answer: C) descent with
modification
PORTAGE LEARNING FULL
QUESTIONS AND ACCURATE
ANSWERS
◉ 2) All the living things on Earth along with all the places where life
exists are collectively described by which of the following terms?
A) an ecosystem
B) the biosphere
C) a biological community
D) a population. Answer: b) The Biosphere
◉ All the individuals of a particular species living within the bounds of a
specified area are collectively described by which of the following
terms?
A) a biological system
B) a biosphere
C) a biological community
D) a population. Answer: d) The Population
◉ Which of the following correctly describes the forms by which energy
flows through an ecosystem from entry to exit?
A) heat → chemical → heat
B) light → heat → chemical
,C) light → chemical → heat
D) chemical → heat → light. Answer: C) light → chemical → heat
◉ 5) Which of the following represents the correct hierarchy of
biological organization from large scale to smaller scale?
A) ecosystems → biosphere → communities → populations →
organisms
B) communities → populations → organisms → ecosystems →
biosphere
C) biosphere → communities → populations → ecosystems →
organisms
D) biosphere → ecosystems → communities → populations →
organisms
E) biosphere → ecosystems → populations→ communities →
organisms. Answer: D) biosphere → ecosystems → communities →
populations → organisms
◉ A single-celled organism isolated from a deep-sea, hot thermal vent
was found to have a cell wall but lacked a nucleus. This organism is
most likely a member of which of the following domains?
A) Eukarya
B) Archaea
C) Animalia
D) Plantae
E) Fungi. Answer: B) Archaea
, ◉ 7) Charles Darwin proposed that "descent with modification"
resulted when organisms of a particular species become adapted to
their environment because they possess which of the following
characteristics?
A) nonheritable traits that enhance survival and decrease their
reproductive success in the local environment
B) nonheritable traits that enhance their survival and reproductive
success in the local environment
C) heritable traits that enhance their survival and reproductive success
in the local environment
D) heritable traits that enhance their survival and decrease their
reproductive success in the local environment. Answer: C) heritable
traits that enhance their survival and reproductive success in the local
environment
◉ 9) The variation observed among the finches Darwin collected from
the Galápagos Islands illustrate which of the following principles
associated with the evolution of species?
A) mutation frequency
B) production of more offspring than can survive
C) descent with modification
D) the accuracy of the fossil record. Answer: C) descent with
modification
