Biology
10th Edition
ISBN: 9780073383071
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 2, Problem 3S
Summary Introduction
To construct:
An argument that indicates the influence of water of life on earth as efforts are made by NASA to search for signs of life on Mars have focused on the search for evidence of liquid water rather than looking directly for
Introduction:
Water is the main constituent on earth as it forms lakes, streams and oceans. It is found in the aquatic living organism. The human body is made up of
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Chapter 2 Solutions
Biology
Ch. 2 - The property that distinguishes an atom of one...Ch. 2 - If an atom has one valence electronthat is. a...Ch. 2 - An atom with a net positive charge must have more...Ch. 2 - The isotopes carbon-12 and carbon-14 differ in a....Ch. 2 - Which of the following is NOT a property of the...Ch. 2 - Ionic bonds arise from a. shared valence...Ch. 2 - A solution with a high concentration of hydrogen...Ch. 2 - Using the periodic table on page 22, which of the...Ch. 2 - Refer to the element pictured. How many covalent...Ch. 2 - Prob. 3A
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- You might have noticed that in space exploration, attention is often focused on the presence or absence of water on other planets. What characteristics of water make it as essential for life as we know it on Earth?arrow_forwardSeveral emergent properties of water contribute to the suitability of the environment for life. Choose two properties of water and describe how these properties arise from the structure of water molecules. Next choose any organism, and give specific examples of how the properties of water you described contribute to the survival of the given organism.arrow_forwardExplain how a scanning electron microscope (SEM) can be used in combination with an energy dispersive X-ray spectrometer (EDS) to perform elemental analysis on extremely small particles by placing the statements in the order that they occur. First step Last step Answer Bank An X-ray photon unique to the element composition of the atom is released.arrow_forward
- Why is the discovery of liquid water on Mars important?arrow_forwardExamine the table below and briefly familiarize yourself with just what elements make sea water salty. Remember that table salt is NaCl. List three elements that DO NOT contribute significantly to the saltiness of the ocean. Element: Element: Element: Reasoning:arrow_forwardplease see attachedarrow_forward
- compare and contrast the emergent properties of waterarrow_forwardMono lake is a a soda lake (highly alkaline- pH 10) formed some 700,000 years ago. In your research, you have discovered a novel organism that is about 5x2 um in size. It is an aquatic organism, that appears to thrive in low oxygen tensions and in alkaline conditions, and appear to be chemotactic . It was found in the deeper regions of the lake with higher salinity and no oxygen. You are attempting to classify the organism as a Bacteria, Archaea or Eukarya. For each of these domains, list five (5)characteristics or structures that would allow you to classify the organism as belonging the domains. This is, for each domain, list 5 distinct characteristics or distinct structures that would place the organism in that domain. Be thoughtful, specific and detailed in your answer (by detail, I am referring to the level of detail in the text -- for example, if you believe your organism has flagella, what flagella composition/structure/movement would classify it as Archaea vs Eukarya vs…arrow_forwardWhich of the four emergent properties of water is the most important one for supporting life on earth? Support your argument.arrow_forward
- The French chemist Antoine Lavoisier was elected to the French Academy of Sciences for his discovery that roasted metals weighed more than unroasted metals, due to the creation of: metal carbonates from exposure to carbon dioxide gas metal hydrides from exposure to hydrogen gas metal oxides from exposure to oxygen gas metal nitrates from exposure to nitrogen gas metal sulfides from exposure to hydrogen sulfide gasarrow_forwardWhich of the following statements is not true?a. Water is polar.b. Water stabilizes temperature.c. Water is essential for life.d. Water is the most abundant atom in Earth’s atmosphere.arrow_forwardThe figure below shows a comparison of the relative abundances of the most common elements found in the human body and the Earth's crust. Based on this graph, please answer the question below. Figure 2-4 percent relative abundance 70 60 50 m 20 10 human body Earth's crust HCON Ca Na P Al Si others and and Mg Karrow_forward
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