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Mastering Biology Chp. 1 HW Questions and Answers 100% Accurate
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Mastering Biology Chp. 1 HW
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Mastering Biology Chp. 1 HWDNA is composed of building blocks called _____. - answer nucleotides
(DNA is a 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
(Each level of biological structure builds on the level before it)
Which of the following statements is true about chemical nutrients in an ecosystem? -
answer They recycle within the ecosystem, being constantly reused.
(Nutrients cycle through the ecosystem by processes such as the decomposition of
organic debris)
How does DNA (deoxyribonucleic acid) encode information? - answerin the sequence of
nucleotides
Competition is central to the theory of natural selection. Why does competition occur? -
answerOrganisms typically produce too many offspring, and resources are limited.
(Resource competition is one of the main ingredients for natural selection. Organisms
must compete for limited resources, and only the best adapted will survive and
reproduce)
Which of the following is an example of "unity in diversity"? - answerAll organisms,
including prokaryotes and eukaryotes, use essentially the same genetic code.
The structure of DNA is the same in all organisms.
The forelimbs of all mammals have the same basic structure, modified for different
environments.
(ALL OF THE ABOVE ARE CORRECT)
An astrology-loving friend hypothesizes that people born in that week like horror movies
more than other genres of movies. You decide to use the scientific method to test this
hypothesis. - answerPart A) What should you do next?
Part B) Which of the following experiments would best test your hypothesis?
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