Which of the following viral types enter animal cells via fusion with the animal cell membrane?
A) All of these choices are correct
B) Non enveloped viruses
C) Enveloped viruses
D) Naked viruses
C) Enveloped viruses
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Which carbohydrates are present on the surface of the red blood cells of a person with blood type O?
A. Carbohydrates B B. Carbohydrates O C. Carbohydrates A D. No carbohydrates are present on the surface of the red blood cells
In regards to a species' life history, opportunistic species
A. are long lived. B. provide extensive care for their offspring. C. are limited primarily by carrying capacity. D. reproduce later in life. E. produce many offspring.
A typical sponge is best described as a
A) slow-moving suspension feeder with a true coelom. B) sessile suspension feeder with bilateral symmetry. C) slow-moving carnivore with no true tissues or symmetry. D) sessile suspension feeder with no true tissues or body symmetry.
A flood that separates a population of frogs onto opposite sides of a lake is an example of a vicariance event that may result in allopatric speciation.
Indicate whether the statement is true or false.