The  amount of  chemical energy in  consumers? food that is  converted to  their own  new biomass during a  given time period is known as which of the following?

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#Question id: 12373

#Unit 10. Ecological Principles

You are most likely to observe primary succession in a terrestrial community when you visit a(n) 

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#Question id: 5362

#Unit 8. Inheritance Biology

From the following select the possible mode of inheritance and the probability that the daughter in generation III will show the trait.

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#Question id: 5755

#Unit 8. Inheritance Biology

A researcher studying bacterial toxin predicts that a lysine within the toxin is important for binding it’s target cell.  She used site-directed mutagenesis to change a codon for lysine (AAA) to one for asparagine (AAU).  However, the mutant toxin still binds to its target cell just as well as the wild-type toxin bound and appears to have no other changes. This type of mutation is probably

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#Question id: 11109

#Unit 7. System Physiology – Animal

The gas exchange that occurs between blood and tissue cells at systemic capillaries is called:

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#Question id: 24031

#General Aptitude

Communication with oneself is known as: