?A brown bear and a salmon are engaged in a predator-prey relationship.
Answer the following statement true (T) or false (F)
True
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Resources are ________
A) infinite B) available in sufficient quantities to sustain all of our futures C) available in ample quantities D) finite E) used at a slow rate so that they will last forever
Which of the following are the precursors of phosphatidylcholines?
A) cholinates B) cholinesterates C) phosphatidates D) triphosphates
The most popular theory for the origin of the moon today is ________
A) the early Earth and a planet the size of Mars collided, and the ejected material coalesced to form the earth's moon. B) the earth captured a small planet, which is our moon. C) the moon and Earth coalesced from an eddy in the solar nebular, forming a binary planet system. D) the moon was formed when Mars and a comparable size planet collided, and the moon was ejected toward Earth and captured.
Coral reefs cover less than ________ of the ocean's surface area but they are home to ________ of all marine species
A) 0.5%; 25% B) 1.0%; 25% C) 0.5%; 33% D) 1.0%; 33% E) 1.0%; 50%