Vampire squid (Vampyroteuthisinfernalis) are deep-sea cephalopods with features similar to both octopus and squid. Extensive video recordings show the diet of the vampire squid consists of items like crustacean remains and fecal pellets. Which of the following terms describes the position of the vampire squid in the deep-sea trophic pyramid?
A. secondary carnivore
B. primary producer
C. detritivore
D. herbivore
E. primary carnivore
Answer: C
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The type of speciation that results in the formation of separate species as a result of geographic isolation is called ____________ speciation.
A. gradual B. sympatric C. allopatric D. sexual E. adaptive
Four of the five processes listed below are related by
a common result. Select the exception. a. volcanic eruption b. photosynthesis c. respiration d. combustion e. decomposition
Olfactory receptors are located in the ________ cavity
Fill in the blank(s) with correct word
Which organisms are common soil decomposers that grow in colonies of branched chains of cells that superficially resemble a fungus?
A) actinomycetes B) cyanobacteria C) proteobacteria D) cocci