Which of the following about parasites is true?
A) They affect their hosts in a density-independent manner.
B) Their hosts represent a type of intraspecific competition.
C) They occur in animals but not plants.
D) They may live inside or outside of their host.
D
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A ridge or mound of unsorted, unstratified debris deposited by a glacier:a
cirque d. isostasy b. varve e. pluvial lake c. moraine
Increasing temperatures leading to increasing water vapor amounts leading to increasing absorption of longwave radiation is an example of a
A) negative feedback B) positive feedback C) neutral feedback D) adiabatic feedback
________ coal has the highest heat content
Fill in the blank(s) with correct word
Which of the following discoveries would be most likely to cause a scientific paradigm shift?
A) the discovery of a new pathogenic virus transmitted by mosquitoes B) the discovery that a dormant volcano is showing signs of activity C) the discovery of more rings around Uranus D) the discovery that excess heat is radiating from the center of the earth and causing global climate change E) the discovery of a new species of salamander in the Amazon rainforest