In the section "Investigating Life: The Battle for Position in Cacao Tree Leaves", endophyte spores were sprayed on the cacao leaves. Which of the following is true of the spores?
A. They undergo meiosis.
B. They are produced only by fungi.
C. Within fungi, they are produced only by endophytes.
D. They are haploid.
E. They are not cells.
Answer: D. They are haploid.
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Viruses defy characterization as living organisms even though they possess nucleic acids and proteins. The reason why viruses are not considered to be alive is because they
A. form spontaneously. B. cannot form spontaneously. C. cannot reproduce without a host cell. D. lack genetic material.
Which of the following diseases is NOT caused by endospore-forming bacteria?
A. botulism B. lockjaw C. tetanus D. Strep throat E. anthrax
A locus is
a. a recessive gene. b. an unmatched allele. c. a sex chromosome. d. the location of a specific gene on a chromosome. e. a dominant gene.
Decomposers
A. All of the answer choices are correct. B. return organic molecules to an inorganic form. C. include fungi. D. include bacteria. E. obtain nutrients from detritus.