Intro to Biology Straighterline 750 questions with all correct answers latest solution 2024/2025
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Intro to Biology Straighterline
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Intro To Biology Straighterline
Intro to Biology Straighterline 750 questions with all correct answers latest solution 2024/2025-Intro to Biology Straighterline 750 questions with all correct answers latest solution 2024/2025-Intro to Biology Straighterline 750 questions with all correct answers latest solution 2024/2025
Intro to Biology Straighterline
Organs are composed of tissues, which are composed of cells. This is an example of which
characteristic of life? - correct answer Living things have levels of hierarchical organization.
Nutrient molecules are used to build cellular structures or for energy. This best represents
which characteristic of life? - correct answer Living things acquire materials and energy from
the environment.
The smallest unit that has all of the characteristics of life is the - correct answer cell.
The blueprints for structural organization and metabolism are contained in____, and the
offspring receive copies of these instructions___. - correct answer DNA; from the parent
If a new anti-cancer drug is found to be effective in initial tests with mice, what might
researchers conclude? - correct answer The drug is effective in the mouse model; it must still
be tested in humans.
True or false? Science technology is a basis for all ethical or moral decisions. - correct answer
False
True or false? Science technology has brought about life-improving discoveries, such as
antibiotics. - correct answer True
True or false? Science technology helps us to understand the causes of cancer. - correct answer
True
True or false? Science technology may ease the feeding of the world population by producing
new plant strains. - correct answer True
True or false? Scientific experimentation may make use of a model instead of an actual subject.
- correct answer True
Technology is the______. - correct answer application of scientific knowledge for a practical
purpose.
Which of the following is a potential consequence if people stop using technology in the
agriculture industry?
a) There could be a significant decrease in the amount of food produced.
b) There would be a collapse of many of the terrestrial ecosystems on Earth.
c) The extinction of the top level species that reside in the communities around the agricultural
land.
d) The amount of food produced would increase.
,Intro to Biology Straighterline
e) None of these consequences will occur if people stop using technology in the agriculture
industry. - correct answer a) There could be significant decrease in the amount of food
produced.
Corn belongs to the kingdom... - correct answer Plantae
You have discovered a previously unknown organism. It is multicellular, with a filamentous
form, and absorbs food from its environment. Upon microscopic examination, you see that the
cells have nuclei. How would you classify this organism? - correct answer kingdom Fungi
Which domain contains organisms that are adapted to life in harsh environments? - correct
answer domain Archaea
Which of the following is one of the domains of life?
a) Animalia
b) Eukarya
c) Molds
d) Protista
e) Fungi - correct answer b) Eukarya
Which classification category contains the closest related group of organisms? - correct answer
genus
low hemoglobin levels despite high elevation in Tibetan populations over generations is an
example of ______ - correct answer natural selection at work in humans
Which level of biological organization is composed of several tissues? - correct answer organ
A physician specializes in surgery involving the following group of organs: mouth, esophagus,
stomach, and intestines. Overall, what is the highest level of organization that this physician is
specialized in? - correct answer organ system
When comparing energy and chemicals in an ecosystem how many times do chemicals and
energy flow through? - correct answer chemicals cycle over and over again, but energy flows
through once
All the organisms of various species living within a given area constitute a - correct answer
community.
True or false? Chemicals are recycled in an ecosystem. - correct answer True
True or false? Energy flows through an ecosystem, with some being lost as heat. - correct
answer True
,Intro to Biology Straighterline
True or false? Some organisms produce food used by themselves and others. - correct answer
True
True or false? There is a community of organisms, but no non-living components. - correct
answer False
True or false? Climate is the main factor that determines where an ecosystem will be located. -
correct answer True
The most important factor that determines where major ecosystems are located on the globe is
- correct answer climate.
An ecosystem generally requires solar energy, nutrients, decomposers, consumers, and _____. -
correct answer producers.
biodiversity is adversely affected as humans have destructive effects on ecosystems as - correct
answer the human population size increases
The term "biodiversity" refers to - correct answer the total number of species, variation of
species and the ecosystems in which they live.
All the banded sunfish (Enneacanthus obesus) in a pond would comprise a - correct answer
population.
Ever since the antibiotic drug penicillin was discovered in 1928, the incidence of resistant
bacteria has steadily increased as a direct result of - correct answer natural selection.
Nutrient molecules are used to build cellular structures for energy. This best represents which
characteristic of life? - correct answer Living things acquire materials and energy from the
environment.
An important source of genetic variation is provided by: - correct answer mutation
Technology is the __________. - correct answer the application of scientific knowledge for
practical purpose.
Which classification category includes the most species? - correct answer kingdom
What is the proper sequence of classification categories from least to most inclusive? - correct
answer species, genus, family, order, class, phylum, kingdom, domain
True or false? Common names may include different sets of organisms. - correct answer True
True or false? Scientific names can be known and recognized by all scientists throughout the
world. - correct answer True
True or false? To recognize an organism in the literature by its common name, a scientist would
have to know multiple languages. - correct answer True
, Intro to Biology Straighterline
True or false? The scientific name begins to tie the organism into related groups. - correct
answer True
True or false? The common name clearly identifies an organism as unique. - correct answer
False
The three major domains of life are - correct answer archaea, bacteria, eukaryotes.
Which domains contain organisms that lack a membrane-bound nucleus? - correct answer
Archaea and Bacteria
What is the binomial name of human beings? - correct answer Homo sapiens
What is the sequence for different levels of biological organization from the smallest and
simplest to the largest and most complex? - correct answer cells-tissues-organs-organ systems-
organism
The layer where organisms can exist on the surface of the earth is the - correct answer
biosphere.
Which of the following is of least importance when concerning the preservation of ecosystems?
a) Ecosystem preservation maintains the status of species in their current state.
b) Many different organisms perform services that ensure our continued existence.
c) Humans derive medicines, food, and many important materials from functioning ecosystems.
d) Preservation of ecosystems allows humans to exploit as many resources as possible.
e) It is estimated that possibly 400 species become extinct each day due to activities of humans.
- correct answer d) Preservation of ecosystems allows humans to exploit as many resources as
possible.
A community of organisms along with their physical environment constitutes a(n) - correct
answer ecosystem.
The mathematical comparison between your experimental results and a known value is known
as a - correct answer percent error.
Data samples in which you expect no change to occur are _____. - correct answer negative
controls.
Why are volumetric measurements defined as a "cubed" unit? - correct answer Because three
individual units are multiplied together.
While bird watching, Carl hypothesized he could identify 73 different types of birds in one day.
He actually identified 65 different types of birds. What was his percent error? - correct answer
12%
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