Intro To Biology Straighterline Exam Latest Updated 2024 With Complete Solutions
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Intro To Biology Straighterline
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Intro To Biology Straighterline
Intro To Biology Straighterline Exam Latest Updated 2024 With Complete Solutions
Technology is the______. - 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) Th...
Intro To Biology Straighterline Exam Latest
Updated 2024 With Complete Solutions
Technology is the______. - 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.
e) None of these consequences will occur if people stop using technology in the
agriculture industry. - ANSWER-a) There could be significant decrease in the amount of
food produced.
Corn belongs to the kingdom... - 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? -
ANSWER-kingdom Fungi
Which domain contains organisms that are adapted to life in harsh environments? -
ANSWER-domain Archaea
Which of the following is one of the domains of life?
a) Animalia
b) Eukarya
c) Molds
d) Protista
e) Fungi - ANSWER-b) Eukarya
Which classification category contains the closest related group of organisms? -
ANSWER-genus
low hemoglobin levels despite high elevation in Tibetan populations over generations is
an example of ______ - ANSWER-natural selection at work in humans
Which level of biological organization is composed of several tissues? - ANSWER-
organ
,Organs are composed of tissues, which are composed of cells. This is an example of
which characteristic of life? - 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? - ANSWER-Living things acquire materials and
energy from the environment.
The smallest unit that has all of the characteristics of life is the - ANSWER-cell.
The blueprints for structural organization and metabolism are contained in____, and the
offspring receive copies of these instructions___. - 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? - 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. -
ANSWER-False
True or false? Science technology has brought about life-improving discoveries, such as
antibiotics. - ANSWER-True
True or false? Science technology helps us to understand the causes of cancer. -
ANSWER-True
True or false? Science technology may ease the feeding of the world population by
producing new plant strains. - ANSWER-True
True or false? Scientific experimentation may make use of a model instead of an actual
subject. - ANSWER-True
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? - ANSWER-organ system
When comparing energy and chemicals in an ecosystem how many times do chemicals
and energy flow through? - 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 - ANSWER-
community.
True or false? Chemicals are recycled in an ecosystem. - ANSWER-True
,True or false? Energy flows through an ecosystem, with some being lost as heat. -
ANSWER-True
True or false? Some organisms produce food used by themselves and others. -
ANSWER-True
True or false? There is a community of organisms, but no non-living components. -
ANSWER-False
True or false? Climate is the main factor that determines where an ecosystem will be
located. - ANSWER-True
The most important factor that determines where major ecosystems are located on the
globe is - ANSWER-climate.
An ecosystem generally requires solar energy, nutrients, decomposers, consumers, and
_____. - ANSWER-producers.
biodiversity is adversely affected as humans have destructive effects on ecosystems as
- ANSWER-the human population size increases
The term "biodiversity" refers to - 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 - 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 - ANSWER-natural
selection.
Nutrient molecules are used to build cellular structures for energy. This best represents
which characteristic of life? - ANSWER-Living things acquire materials and energy from
the environment.
An important source of genetic variation is provided by: - ANSWER-mutation
Technology is the __________. - ANSWER-the application of scientific knowledge for
practical purpose.
Which classification category includes the most species? - ANSWER-kingdom
What is the proper sequence of classification categories from least to most inclusive? -
ANSWER-species, genus, family, order, class, phylum, kingdom, domain
, True or false? Common names may include different sets of organisms. - ANSWER-
True
True or false? Scientific names can be known and recognized by all scientists
throughout the world. - ANSWER-True
True or false? To recognize an organism in the literature by its common name, a
scientist would have to know multiple languages. - ANSWER-True
True or false? The scientific name begins to tie the organism into related groups. -
ANSWER-True
True or false? The common name clearly identifies an organism as unique. - ANSWER-
False
The three major domains of life are - ANSWER-archaea, bacteria, eukaryotes.
Which domains contain organisms that lack a membrane-bound nucleus? - ANSWER-
Archaea and Bacteria
What is the binomial name of human beings? - ANSWER-Homo sapiens
What is the sequence for different levels of biological organization from the smallest and
simplest to the largest and most complex? - ANSWER-cells-tissues-organs-organ
systems-organism
The layer where organisms can exist on the surface of the earth is the - 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. - 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) -
ANSWER-ecosystem.
The mathematical comparison between your experimental results and a known value is
known as a - ANSWER-percent error.
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