To prevent a shipwreck, submarines determine where objects are positioned under water using sonar,
sound waves. This method of detection is similar to:
a. a snake using thermoreceptors to locate its prey.
b. a shark using lateral line receptors to locate its prey.
c. a frog using mating calls to locate a female.
d. an earthworm being able to determine its position underground using a statocyst.
e. a bat using echolocation to hunt prey.
E
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The main benefit to a plant from a mycorrhizal association is
a. enhanced water uptake. b. removal of excess carbohydrates. c. enhanced flow of carbohydrates to the roots. d. enhanced mineral ion uptake. e. enhanced protection of roots from bacterial infections.
Meiosis results in four nonidentical daughter cells
Indicate whether the statement is true or false
What is the difference between a primary and a secondary source?
A) A primary source is the original material published by the scientists, whereas a secondary source is a description of the original material. B) A primary source is the raw data before scientists publish, whereas a secondary source is a description of the original material. C) A primary source is the original material published by the scientists, whereas a secondary source is the raw data before scientists publish. D) There is no difference between primary and secondary sources.
Select all of the processes that cause flux of carbon into the atmosphere:
What will be an ideal response?