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Pearson Mastering Biology Chapter 1 Questions and Answers Latest Updated
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Pearson Mastering Biology Chapter 1
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Pearson Mastering Biology Chapter 1DNA 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.
Charles Darwin proposed that "descent with modification" resulted when organisms of a
particular species become adapted to their environment because they possess - answer
heritable traits that enhance their survival and reproductive success in the local
environment.
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