27 Jun BIO HOMEWORK ASSIGNMENT answer
Question
Why is it important to ask questions before reaching a conclusion?
Question 1 options:
It makes you seem intelligent.
It gives you more time to think.
It helps you make informed decisions.
It diverts attention away from the issue.
Question 2 (1 point)
In many cases, genetic screening points to potential medical conditions that an individual might
develop. Since there is a degree of uncertainty, which of the following could be a NEGATIVE
consequence of medical screening? Choose all that apply.
Question 2 options:
better health choices
rejection of a potential spouse
an unnecessary abortion
an unnecessary medical procedure
Question 3 (1 point)
Two candidates are running for a state-wide office. One candidate supports the continued use of
fossil fuels and construction of new homes in open areas while the other candidate encourages a
smaller carbon foot print and protecting undeveloped areas of the region. What are potential
outcomes associated with electing candidate A or candidate B? Choose all that apply.
Question 3 options:
The wildlife affected by their legislative acts once in office.
Lowering the national debt by cutting government subsidized programs.
Education reforms to increase the number of qualified teachers.
The changes in the level of pollution that might occur.
Question 4 (1 point)
Living organisms take in energy and matter and use them in a controlled way to promote all of
the following EXCEPT:
Question 4 options:
reproduction.
responsiveness.
c.
survival.
death.
Question 5 (1 point)
Although living organisms have many features in common, _______ is one of the main features
of life.
Question 5 options:
diversity
uniformity
social pressure
physical adversity
Question 6 (1 point)
Evolution is the central concept that explains biology, because _____ of the features of
organisms are the result of evolutionary change.
Question 6 options:
all
some
most
none
Question 7 (1 point)
When two atoms are bound together chemically, the electrons orbit the outer shell of one atom.
Question 7 options:
True
False
Question 8 (1 point)
When a compound is composed of many molecules connected to each other it is referred to as a:
Question 8 options:
micromolecule.
macromolecule.
element.
mixture.
Question 9 (1 point)
Match each term with the correct definition.
Question 9 options:
lipids
carbohydrates
proteins
nucleic
acids
complex organic substances present in living cells whose molecules consist of
many nucleotides linked in a long chain
any of a class of nitrogenous organic compounds that consist of large molecules
2.
composed of one or more long chains of amino acids
any of a large group of organic compounds occurring in foods and living tissues
3.
and including sugars
a class of organic compounds that include fatty acidsenzymes / substances
4. produced by living organisms that act as a catalyst to bring about a specific
biochemical reaction
1.
Question 10 (1 point)
Why is evolution a unifying theme in biology?
Question 10 options:
It explains the unity and diversity of life.
No levels of life have systems that are related.
Structure and function are unrelated in biology.
Organisms that maintain homeostasis cannot survive in diverse environments.
Question 11 (1 point)
A storm blew a species of small beaked birds a few hundred miles beyond their normal
migratory path. The berries in the new location were slightly larger and much firmer but better
tasting than the berries they normally eat. The birds also had fewer natural predators in the new
location. What will most probably happen to the birds?
Question 11 options:
All the birds will thrive despite their small-sized beaks.
All of the birds will try to fly away because they are in the wrong location.
None of the birds will thrive since the berries are larger and firmer.
Because beak size varied in the bird population, individuals with larger beaks will be
selected for and the population will adapt.
Question 12 (1 point)
All vertebrates have a similar bone structure and many of the same muscles; this is most
probably due to:
Question 12 options:
a coincidence.
common ancestry.
the location of their backbones.
diversity within the group.
Question 13 (1 point)
We know that variations are inherited, at least in part. Which of the following aspects of natural
selection supports this fact? Choose all that apply.
Question 13 options:
Genetic mutation occurs in all species and when inherited may lead to increased survival.
As animals move from one environment to another, the individuals with the variations that
are conducive to that environment thrive.
Plants grow towards the sunlight in an effort to create more chlorophyll.
Plant roots grow deeper into the ground to find water when there is a shortage.
Question 14 (1 point)
Place Linnaeus’s hierarchy in order from general to specific.
Question 14 options:
Kingdom
Class
Phylum
Order
Genus
Family
Question 15 (1 point)
Which of the following is correct?
Question 15 options:
Individuals don’t evolve, but over time species evolve, becoming better adapted to their
habitats and occasionally producing new offspring.
Individuals don’t evolve, but over time species evolve, becoming better adapted to their
habitats and occasionally producing new species.
Individuals evolve, and over time species evolve, becoming better adapted to their habitats
and occasionally producing new offspring.
Individuals evolve, and over time species evolve, becoming better adapted to their habitats
and occasionally producing new species.
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