Biology (Mader), 10th Edition

Chapter 1: A View of Life

Post-Test

1
The smallest unit of matter that can enter into chemical combination is a _____.
A)cell
B)atom
C)molecule
D)neutron
2
The process that transforms solar energy into chemical energy in the bonds of organic molecules is called _____.
A)metabolism
B)homeostasis
C)photosynthesis
D)natural selection
3
Organisms/living things are best defined by the ability to _____.
A)respond to stimuli
B)reproduce
C)have adaptations
D)All of these
4
Homeostasis is _____.
A)balancing internal and external conditions
B)wild fluctuations in internal conditions
C)the transformation of the Sun's energy into organic molecules
D)the maintenance of internal conditions within certain limits
5
The instructions for the organization and metabolism of living things are encoded in the _____.
A)genes
B)plasma membrane
C)cell wall
D)ribosomes
6
As biological organization increases in complexity in living systems, new _________ are determined with unique characteristics governed by chemical and physical interactions.
A)cells
B)organisms
C)emergent properties
D)binomial nomenclatures
7
The correct way to write the scientific name of the garden pea is _____.
A)Pisum Sativum
B)PISUM SATIVUM
C)Pisum sativum
D)PISUM sativum
8
All the organisms classified into the Domain ______ are _________.
A)bacteria; multicellular
B)eukarya; single celled
C)archaea; single celled
D)eukarya; multicellular
9
The theory that accounts for the differences that divide and the unity that joins all living things is the _____ theory.
A)cell
B)evolution
C)mutation
D)gene
10
The great diversity of life forms is the result of _____.
A)adaptations to different environments
B)descent from a common ancestor
C)both of these
11
Which of the given statements is NOT true?
A)The diversity of life includes some traits that are no longer functional and led to the extinction of those that possessed those traits.
B)The role of evolution does not help support the meaning of life's diversity.
C)All organisms are unique in some of their traits.
D)Many millions of species of organisms are now extinct.
12
Which of the following statements best represent the role of mutations in natural selection:
A)During the process of natural selection, mutations decrease the odds of having variable genes.
B)The selective (mutating) agent must be a variable manually determined by the organism or surrounding organisms.
C)Mutations fuel natural selection through the introduction of variable genes capable of being passed to new generations through reproduction.
D)Mutations primarily will stop the new trait from being passed to new generations.
13
The great pattern of organization in nature is maintained by _______.
A)flow of energy from the sun
B)the annual climactic changes
C)the action of organisms in the control of nature
D)the action of bacteria and other microorganisms
14
Negative impacts on the biodiversity of healthy ecosystems have included ALL of the following activities EXCEPT:
A)The draining of natural wetlands of major rivers
B)Destruction of South American tropical rainforests
C)An increase in the size and volume of barrier reefs
D)Above average fishing off the coast of Africa
15
The cycling of nutrients through ecosystems depends on _____.
A)decomposition of organisms after they die
B)respiration
C)photosynthesis
D)All of the above
16
The first step in the scientific method is _____.
A)make conclusions
B)make observations and consider previous data
C)formulate a hypothesis
D)test a related hypothesis
17
When a person combines isolated facts and creative thinking to arrive at an explanation for something, he/she used _____ reasoning.
A)inductive
B)deductive
C)hypothetical
D)principle
18
Its freezing winter and you step outside on the porch to get your newspaper without a coat. You begin to shiver and get "goose bumps". When you go back in, you take your temperature and it is still at the base level of 98.6F/37C. That your body temperature is maintained within a narrow range despite changes in temperature is due to the body's ability to use _______________.
A)metabolism
B)homeostatis
C)evolution
D)photosynthesis
19
If an experiment is done to see if a dietary supplement affects the weight gain of chickens, what variables need to be controlled?
A)where the chickens are kept
B)the availability of water
C)the temperature of the surroundings
D)All of the above
20
An experiment is done to see if eating breakfast affects students' performance on exams. The experimental variable is _____.
A)the students' scores on the exams
B)the age of the student
C)whether the student has breakfast or not
D)whether the student drinks coffee or not
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