Based on Figure 18-11, the two present day continents that should have the most closely related plant

and animal species are:a.

North and South America.

b. Africa and Australia.

c. Africa and South America.

d. Australia and India.

e. Eurasia and India


C

Biology & Microbiology

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After eating a carbohydrate-rich meal, the mammalian pancreas increases its secretion of _____

A) ecdysteroid B) glucagon C) thyroxine D) oxytocin E) insulin

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Which animal has the least advanced nerve cord?

a. chordate b. arthropod c. flatworm d. human e. octopus

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The genetic material of all living organisms is

a. protein. b. deoxyribonucleic acid. c. ribonucleic acid. d. glycoprotein. e. polypeptide.

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Which molecules are broken down by trypsin, elastase, and chymotrypsin?

a. lipids b. proteins c. peptides d. amino acids

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