In studying the medium ground finch on Daphne Major, the Grants noted that each generation of finches had beaks
A. larger than those of the previous generation.
B. best suited for their parents' environment.
C. best suited for their current environment.
D. smaller than those of the previous generation.
Answer: B
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Organisms that have their optimum growth pH between 8.5 and 11.5 are called ________.
Fill in the blank(s) with the appropriate word(s).
In the human disease known as lupus, there is an immune reaction against a patient's own DNA from broken or dying cells, which categorizes lupus as _____
A) an allergy B) an immunodeficiency C) an autoimmune disease D) an antigenic variation E) a cancer
Despite the fact that skin-to-skin contact is important in establishing bonding between babies and their caregivers, that same contact can also expose them to pathogens. You have been asked to teach a short class for child care workers to help them identify highly contagious diseases that can cause outbreaks in their environment. Which two of these conditions are most common and most infectious in babies?
A. Impetigo and ringworm B. Ringworm and hand, foot, and mouth disease C. Impetigo and cellulitis D. Conjunctivitis and rubella E. Impetigo and conjunctivitis
The splitting of water in photosynthesis provides:
A) hydrogen ions and light energy. B) O2 and electrons. C) CO2 and electrons. D) glucose and electrons.