Which of the following accurately describes energy?
A) something that must be eaten
B) something that produces heat
C) something that can cause movement
D) something that has the capacity to do work
E) something that provides sunlight
Answer: D
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Allopatric speciation requires
a. accelerated gene flow. b. physical separation. c. physical diversity. d. behavioral diversity. e. all of these.
Which of the following is false?
a. All mammals have either an estrous or a menstrual cycle. b. Some primates have a menstrual cycle. c. Some female primates may be physically and behaviorally receptive to sexual activity at any time. d. About 10% of detected pregnancies end in miscarriage. e. Mifepristone (RU-486) is approved to indiuce abortion any time during the first six months.
Which of the following events does not put you at risk for contracting a Francisella tularensis infection?
A) adopting a dog from an animal shelter B) a tick bite while out camping C) taking away a wounded rabbit your cat brought back for you D) cleaning a deer that you just shot E) removing an injured squirrel from the road in front of your house
Increased atmospheric CO2 is ________ the oceans, and it is expected to be detrimental to marine ________ such as corals, foraminifera, and coccolithophores
a. acidifying / calcifers b. neutralizing / silicates c. alkalizing / protists d. warming / algae