Which of the following is NOT an attribute of a species that makes it vulnerable to extinction?

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#Question id: 4918

#Unit 8. Inheritance Biology

The two organelles responsible for cytoplasmic inheritance among eukaryotes are

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#Question id: 11964

#Unit 7. System Physiology – Animal

 Animals cannot produce enzymes to digest cellulose, yet many termite species consume cellulose from plant material as a main part of their diet. How do termites access the nutrients contained in cellulose?

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#Question id: 5448

#Unit 8. Inheritance Biology

Plant height control by 3 pair of polygene, two varieties of maize averaging 48 and 72 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 60 inches in height. What is number of average phenotype out of 500 F2 plants?

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#Question id: 4932

#Unit 11. Evolution and Behavior

Which of the following is the best hypothesis regarding origins of nucleic acids?

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#Question id: 1573

#Unit 4. Cell Communication and Cell Signaling

Which cells and which signaling molecules are responsible for initiating an inflammatory response?