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
Biology & Microbiology
Which animal has the least advanced nerve cord?
a. chordate b. arthropod c. flatworm d. human e. octopus
Biology & Microbiology
The genetic material of all living organisms is
a. protein. b. deoxyribonucleic acid. c. ribonucleic acid. d. glycoprotein. e. polypeptide.
Biology & Microbiology
Which molecules are broken down by trypsin, elastase, and chymotrypsin?
a. lipids b. proteins c. peptides d. amino acids
Biology & Microbiology