Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 25.3, Problem 2CC
MAKE CONNECTIONS Review Figures 7.2 and 8.5 Summarize how CO2 and O2 are both used and produced by aerobic algae.
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Chapter 25 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 25.1 - Describe major events in the evolution of early...Ch. 25.1 - Explain why eukaryotes are said to be combination...Ch. 25.1 - Prob. 3CCCh. 25.2 - Summarize the evidence that choanoflagellates are...Ch. 25.2 - MAKE CONNECTlONS Describe how the origin of...Ch. 25.2 - Prob. 3CCCh. 25.3 - Briefly describe the organisms found in each of...Ch. 25.3 - MAKE CONNECTIONS Review Figures 7.2 and 8.5...Ch. 25.3 - Prob. 3CCCh. 25.4 - Justify the claim that photosynthetic protists are...
Ch. 25.4 - Prob. 2CCCh. 25.4 - Prob. 3CCCh. 25 - The oldest fossil eukaryote that can be resolved...Ch. 25 - Prob. 2TYUCh. 25 - Plastids that are surrounded by more than two...Ch. 25 - Prob. 4TYUCh. 25 - Prob. 5TYUCh. 25 - Based on the phylogenetic tree in Figure 25.9,...Ch. 25 - MAKE CONNECTIONS The bacterium Wolbachia is a...Ch. 25 - FOCUS ON EVOLUTION DRAW IT Medical researchers...Ch. 25 - FOCUS ON INTERACTIONS Organisms interact with each...Ch. 25 - SYNTHESIZE YOUR KNOWLEDGE These micrographs show...
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- Name the green algal group from which plants are hypothesized to have descended and describe supporting evidence.arrow_forwardMAKE CONNECTIONS How do the CO2 moleculesused in photosynthesis reach and enter the chloroplastsinside leaf cells? (See Concept 7.2.)arrow_forwardMAKE CONNECTIONS How might the enzymes of thermophilesdiffer from those of other organisms? (Review enzymes in Concept 8.4.)arrow_forward
- MAKE CONNECTIONS Explain how nitrogen andphosphorus, the nutrients that most often limit primaryproduction, are necessary for the Calvin cycle to functionin photosynthesis (see Concept 10.3).arrow_forwardMAKE CONNECTIONS Freshwater bivalvesfeed on and can reduce the abundance of photosynthetic protists and bacteria. As such, would theextinction of freshwater bivalves likely have weakor strong effects on aquatic communities (seeConcept 28.6)? Explain.arrow_forwardSummarize the ecological significance of fungi as decomposers.arrow_forward
- Asap What will be the amount of energy available to the organism of the 2nd trophic level of a food chain, if the energy available at the first trophic level is 10,000 Joules?arrow_forwardQ5: Relate evolutionary forces to the diversity of ecosystems and of the species within them.arrow_forwardQ1) For primary producers such as plants, photosynthesis requires carbon dioxide (CO2), water (H2O), and sunlight. As a result of photosynthesis, plants produce glucose (C6H12O6) and oxygen (O2). The CO2 is used to make glucose. Energy from sunlight is used to power the reaction that creates the glucose molecules. The data set below is the results of a study that investigated how light intensity (distance from a light source; cm) affects photosynthesis (bubble production; #O2 bubbles) in Elodea (aquatic plant). # of bubbles produced @ 5 cm # of bubbles produced @ 10 cm # of bubbles produced @ 20 cm # of bubbles produced @ 30 cm Group 1 0 9 7 0 Group 2 2 12 6 3 Group 3 2 9 9 2 Group 4 0 8 10 0 Group 5 1 10 7 5 Group 6 3 13 4 4 Group 7 3 10 8 4 Please identify the independent variable and the dependent variable in this study. Based on the data presented here, explain the trends…arrow_forward
- WRITE ABOUT A THEME: INTERACTIONS Organisms interactwith each other and the physical environment. In a shortessay (100–150 words), explain how the response of diatompopulations to a drop in nutrient availability can affect bothother organisms and aspects of the physical environment(such as carbon dioxide concentrations).arrow_forwardMAKE CONNECTIONS Based on Figure 9.17, explainwhy hydroponically grown plants would grow muchmore slowly if they were not sufficiently aerated.arrow_forwardWHAT IF? What would the discovery of a bacterialspecies that is a methanogen imply about the evolutionof the methane-producing pathway?arrow_forward
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