Scientists have found that extinction rates among ____ are accelerating rapidly
a. endangered species
b. trigger species
c. bird species
d. amphibian species
e. plant species
ANSWER: b
You might also like to view...
Although T4 encodes over 250 proteins, it does not encode its own RNA polymerase
Indicate whether the statement is true or false.
A college student walks down New York City's Fifth Avenue at 8:00 AM. She is late for class so she catches the bus for the last 2 miles of her commute. Did she have a larger ecological footprint when she was walking or when she was on the bus?
A. on the bus, because it is using energy to move B. on the bus, because the road took more energy to build than the sidewalk C. walking, because she is using energy that must be replaced by eating foods that are not locally grown D. walking, because she is moving on a sidewalk that took energy and raw materials to build E. More information is needed about, for example, the number of people on the bus and its fuel source, to accurately determine her ecological footprint in both situations.
During the process of glycolysis, which of the following substrates donates electrons to NAD+ and adds Pi to form 1,3-bisphosphoglycerate?
A) 3-phosphoglycerate B) 2-phosphoglycerate C) glyceraldehyde-3-phosphate D) glucose E) glucose-6-phosphate
Which statement regarding compound eyes is true?
A) They have one light-focusing lens. B) They are poor motion detectors. C) They can provide excellent color vision. D) They can perceive only visible light.