A New Organism Is Discovered in the Forests of Costa

question 39

Multiple Choice

A new organism is discovered in the forests of Costa Rica. Scientists there determine that the polypeptide sequence of hemoglobin from the new organism has 72 amino acid differences from humans, 65 differences from a gibbon, 49 differences from a rat, and 5 differences from a frog. These data suggest that the new organism

• A) is more closely related to humans than to frogs.
• B) is more closely related to frogs than to humans.
• C) evolved at about the same time as frogs, which is much earlier than primates and mammals.
• D) is more closely related to humans than to rats.
• E) is more closely related to frogs than to humans and also evolved at about the same time as frogs, which is much earlier than primates and mammals.

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Definitions:

Night Shift

A work shift that takes place during the nighttime hours, typically starting late in the evening or at midnight and ending in the morning.

Hypnagogic State

A transitional state of consciousness occurring between wakefulness and sleep, often characterized by vivid sensory phenomena or hallucinations.

Night Terrors

Intense episodes of fear that occur during sleep, typically in children, causing them to wake up in a terrified state.

Rapid Eye Movement

A phase of sleep characterized by quick, random movements of the eyes, associated with vivid dreaming.