Test Bank
For Biology, 6th Edition By Robert Brooker, Eric Widmaier, Linda
Graham
Answers Included
Chap 01 6e Brooker
1) A community is composed of different populations of animals and plants.
⊚ true
⊚ false
2) All tissues are composed of cells.
⊚ true
⊚ false
3) A flower on a plant represents which level of organization?
A) atom
B) cell
C) organ
D) organism
E) population
4) Boa constrictors on an island are an example of a(n)
A) cell.
B) organ.
C) organism.
D) population.
E) ecosystem.
5) Molecules are made up of
A) atoms.
B) cells.
C) organs.
D) organisms.
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E) populations.
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6) Which is the smallest of all levels of organization?
A) atom
B) cell
C) organ
D) organism
E) population
7) A community of organisms interacting with their physical environment is a(n)
A) population.
B) organism.
C) biosphere.
D) ecosystem.
E) macromolecular community.
8) In multicellular organisms, cells of the same type can associate with each other to form
A) atoms.
B) molecules.
C) macromolecules.
D) tissues.
E) populations.
9) Which level of organization is present in all life forms?
A) cell
B) tissue
C) organ
D) organelle
E) colony
10) Which level of organization includes all of the others in the list?
A) cell
B) tissue
C) organ
D) organism
E) population
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11) During photosynthesis, plants take in water and carbon dioxide from the environment and use
sunlight to fuel a series of chemical reactions that ultimately build small sugar molecules. Which of
the core concepts of biology is exemplified by photosynthesis?
A) Evolution
B) Structure and function
C) Information flow, exchange, and storage
D) Pathways and transformations of energy and matter
E) Systems
12) The phenomenon through which populations of organisms change over time due to mutation,
natural selection, and genetic exchange is
A) homeostasis.
B) growth and development.
C) reproduction.
D) biological evolution.
E) organization.
13) The protein elastin plays an important role in providing elasticity and resilience to many tissues in
the body. Elastin has elastic properties because of the way the protein can change shape. In a
relaxed condition, the protein has an overall coiled, or looped shape. When stretched, the protein
extends into a straighter, more linear form. When the stretching force isremoved, elastin recoils
back into the relaxed form. Which core concept of biology does the elastin protein exemplify?
A) Evolution
B) Structure and function
C) Information flow, exchange, and storage
D) Pathways and transformations of energy and matter
E) Systems
14) Children often resemble their parents. The transmission of an eye color gene from parent to
child is an example of which core concept of biology?
A) Evolution
B) Structure and function
C) Information flow, exchange, and storage
D) Pathways and transformations of energy and matter
E) Systems
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