BIOD 101 FINAL EXAM|QUESTIONS WITH
100% CORRECT ANSWERS
Describe the process of binary fission and state whether it is a form of sexual or asexual
reproduction. - ✔️✔️Binary fission is an asexual form of reproduction. Binary fission occurs when
one cell splits in half to form two identical cells.
Compare and contrast 3 types of symmetry found in animal body plans. - ✔️✔️-Radial Symmetry:
symmetry around a center axis
-Bilateral Symmetry: when a line could split the body into two equal sides
-Spherical Symmetry: any cut through the center results two equal halves
Autotrophs are considered "primary producers". What does this mean? - ✔️✔️Primary Producers
support all other trophic levels by recycling organic matter from the environment
Herbivores are considered "primary consumers". What does this mean? - ✔️✔️Primary
consumers eat primary producers
You are considering a model system for research purposes. What are 6 guidelines you should
consider for this system? - ✔️✔️(1) Easy to maintain, (2) Physical size should be convenient, (3)
Inexpensive, (4) Short life cycles, (5) Can be genetically manipulated, and (6) Can be used to
deliver economically important results.
Individual living members of a population best describes a(n): - ✔️✔️organism
True or False. If false, explain why it is false.
The rRNA found in cells of the archaea domain would be identical to those found in the
eubacteria domain. - ✔️✔️False
,-The rRNA found in cells of archaea domain are different than those found in the eubacteria
domain
________ plants lack the formation of tubes to transport water and nutrients. - ✔️✔️asvascular
Malaria is a result of plasmodium which are found in which of the following Eukaryotic
kingdoms? - ✔️✔️protista
A(n) _______ is a change or a process that allows an organism to become better suited for their
environment. Anything that causes an organism to respond is called a _______. Adaptions can
be _______ or ________. - ✔️✔️adaptation
stimulus
behavioral
physical
Prokaryotes, known as _________, break down dead and dying organisms and release vital
elements such as carbon, nitrogen, and phosphorous into the environment. - ✔️✔️decomposers
In the Linnaean classification system, the largest and broadest category, which encompasses all
the other taxa, is the ______. - ✔️✔️domain Explanation: domain can be eukarya, archea, or
bacteria
Give an example of a specific type of extremophile and describe the type of environment it
would live in. - ✔️✔️Thermophile; they live in volcanoes
Name a tertiary consumer - ✔️✔️carnivores
Bacteria that cause illness through the production of exotoxins and endotoxins are considered
_______. - ✔️✔️pathogenic
, ________ reproduction gives rise to new offspring from a(n) _______ organism. - ✔️✔️asexual
single
describe coeloms - ✔️✔️fluid filled cavities
describe acoelomates - ✔️✔️have no true body cavity but still meets other classifications
requirements to be considered an animal
describe eucoelomates - ✔️✔️has a true coelom that surrounds a gut
describe pseudocoelomates - ✔️✔️may appear to have a fluid filled cavity but cells lining the
space are not continuous
By what process do most protists reproduce? State whether this process is sexual or asexual. -
✔️✔️binary fission
asexual
In deuterostome development, a spiral cleavage occurs in the cell mass. - ✔️✔️false
In deuterostome development, a radical cleavage occurs in the cell mass.
A relationship between two organisms in which only 1 organism benefits while the other
remains unharmed or unaffected is best described as: - ✔️✔️commensalism
___________ have a peptidoglycan cell wall and an outer membrane composed of various
biological __________. - ✔️✔️cyanobacteria
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