Which of the following organisms has the largest brain compared to their body size?
A. elephants
B. blue whales
C. gorillas
D. humans
E. goldfish
D
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The branch of biology that classifies organisms is called ____
a. natural history b. taxonomy c. evolution d. morphology e. paleobiology
What is the advantage to the sphinx moth Xanthopan morgani by having an 8-inch-long tongue?
A. It can be used to capture other flying insects for food. B. It is used to attract mates through sexual selection. C. It can reach nectar that no other pollinator can reach. D. It can only pollinate one type of flower. E. It makes flying more efficient.
Test systems involving which of the following has greatly improved the specificity of immunological tests?
A.) Monoclonal antibodies B.) Electronics C.) Enzymes D.) Radioactivity E.) All of these choices are correct.
Bacterial responses to phage infection can be compared to the human immune system. Which of the phrases is true?
A. Restriction-modification can be compared to adaptive immunity and CRISPR/Cas to innate immunity. B. Restriction-modification can be compared to the complement system and CRISPR/Cas to inflammation. C. Restriction-modification can be compared to B cell responses and CRISPR/Cas to T cell responses. D. Restriction-modification can be compared to innate immunity and CRISPR/Cas to adaptive immunity.