Which animals exhibit insight learning?
a. all vertebrates
b. a few vertebrates, including primates
c. only primates
d. only humans
e. all vertebrates, and a few invertebrates
B
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American alligators are living members of this lineage
a. Testudines b. Archosauromorpha c. Squamata d. Sphenodontia e. Amphibia
Which one of the following directly interacts with the DNA as a transcriptional regulator?
A. cAMP B. G protein C. Protein kinase A D. CREB protein dimer E. Glucocorticoid response element
How would you calculate the net primary productivity of an ecosystem?
What will be an ideal response?
Which of the following characteristics helps differentiate between a monocot and a dicot?
A) Presence or absence of pollen grains B) Presence or absence of an apical meristem C) Seeds covered by a fruit D) Number of flower parts E) Presence of vascular tissue