Which answer best describes why does ice float in liquid water?
Ans: Stable hydrogen bonds keep water molecules of ice farther apart than water molecules of liquid water.
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Why would migration to an island by a single pair of birds be likely to lead to adaptive radiation in their descendants?
What will be an ideal response?
Describe how the discovery of the structure of DNA is an example of the fact that science is a process that always builds on previous work. Text Section LO2 Key Concept: Watson and Crick, process of science, DNA structure Level: Application of concepts (maybe some advanced critical thinking)
What will be an ideal response?
The California newt is found only in California. This is an example of a(n) ________ species
A) ubiquitous B) metapopulation C) endemic D) invasive
Microscopic examination of a lung biopsy shows spherules. What is the etiology of the symptoms?
A) Blastomyces B) Coccidioides C) Histoplasma D) Mycobacterium E) Pneumocystis