Food energy is measured in ____
a. kilograms
b. kiloliters
c. kilometers
d. kilocalories
e. kilojoules
ANSWER: d
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Acquired variations that are favorable to the survival of an organism tend to be present in greater frequency in the next
generation of those organisms. __________________ Indicate whether the statement is true or false.
Use the word bank to identify the labeled structures pictured below: sacral nerves, lumbar nerves, brain, common fibular nerve, ulnar nerve, spinal cord, cranial nerves, thoracic nerves, cervical nerves, radial nerve, tibial nerve, median nerve, sciatic nerve 
A:________B:________C:________D:________E:________F:________G:________H:________I:________J:________K:________L:________M:________
What will be an ideal response?
Regions of high species diversity always support the highest numbers of endemic and threatened species.
a. true b. false
Which of the following could be a valid scientific hypothesis?
A) Moray eels find their prey primarily by following chemical cues. B) All marine animals must have gills. C) It is immoral to keep dolphins in captivity. D) Dogs are superior in intelligence and swimming capabilities compared to seals.