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Pearson Mastering Biology Chapter 1 Exam Questions and Answers
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Pearson Mastering Biology Chapter 1 Exam Questions and Answers
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Pearson Mastering Biology Chapter 1Exam Questions and Answers
DNA is composed of building blocks called _____. - Answer -Nucleotides
-DNA is composed of nucleotide units
In eukaryotic cells DNA has the appearance of a _____. - Answer -Double helix
-Eukaryotic DNA is organized as a double helix
What is the correct order for the hierarchy of biological organization from the least to the
most complex? - Answer -molecule, organelle, cell, tissue, organ, organ system,
organism, population, community, ecosystem
Which of the following statements is true about chemical elements in an ecosystem? -
Answer -They recycle within the ecosystem, being constantly reused
-Chemicals cycle through the ecosystem by processes such as the decomposition of
organic debris.
All of the individuals of the same species living within a specified area is known as a -
Answer -Population
All of the living things in a particular area along with all of the nonliving aspects of the
environment with which organisms interact is known as - Answer -An ecosystem.
Which of the following correctly describes the forms by which energy flows through an
ecosystem from entry to exit? - Answer -light → chemical → heat
Which taxonomic domain includes multicellular photosynthetic organisms? - Answer -
Eukarya
-Plants and certain algae are multicellular photosynthetic organisms included in the
kingdom Plantae of the domain Eukarya.
Living things are divided into three different domains. Which of these domains are
classified as prokaryotes? - Answer -Bacteria and Archaea
Strong evidence in support of the common ancestry of all life comes from - Answer -The
existence of a nearly universal genetic code.
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