Which one of the following is a primary component of both living organisms and the Earth's crust?
A. silicon
B. hydrogen
C. oxygen
D. carbon
E. nitrogen
Answer: C
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You are working on a research project that involves a mutational analysis of the light harvesting complex Lhca1, which is an important light harvesting complex found in plants. Your labmate asks where this complex is located. You say it is in the.
A. outer chloroplast membrane B. inner chloroplast membrane C. thylakoid membrane D. stroma E. matrix Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about how light harvesting occurs in photo systems during photosynthesis? What other information is related to the question? Choose Answer Do you have all the information needed to provide an explanation? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The term for describing a region’s biological wealth is called ____
a. endemic species b. hot spots c. biodiversity d. endangered species e. threatened species
Which of the following is a major problem for sessile animals?
a. They are unable to escape unfavorable environmental conditions. b. They are unable to sexually reproduce. c. They are limited in the variety of food they can consume. d. They are not capable of locomotion during their lifetime. e. As adults, they are haploid.
Cnidaria and flatworms exchange gases and remove wastes by way of their
A. open circulatory systems. B. moist skin surfaces. C. closed circulatory systems. D. respiratory and excretory systems. E. gastrovascular cavities.