Which of the following living organisms most resemble the common ancestor of all life according to genetic testing?
A) bacteria such as E. coli
B) organisms living deep in the oceans around seafloor volcanic vents
C) plankton that use sunlight as an energy source through photosynthesis
D) viruses
E) stromatolites
B) organisms living deep in the oceans around seafloor volcanic vents
You might also like to view...
The rapid rotation and large size of Jupiter causes _______________ in its atmosphere
Fill in the blank(s) with correct word
Weight and g: The mass of the Moon is 7.4 × 1022 kg, its radius is 1.74 × 103 km, and it has no atmosphere. What is the acceleration due to gravity at the surface of the Moon? (G = 6.67 × 10-11 N ? m2/kg2)
A. 2.8 × 106 m/s2 B. 9.8 m/s2 C. 4.9 m/s2 D. 1.6 m/s2 E. 0.80 m/s2
Consider two uniform solid spheres where one has twice the mass and twice the diameter of the other. The ratio of the larger moment of inertia to that of the smaller moment of inertia is
A) 10. B) 8. C) 2. D) 6. E) 4.
An experimenter is involved in four of the five tasks below. Select the exception
a. revises a hypothesis as a result of data collected b. manipulates dependent variables c. reviews other research results obtained by other scientists d. examines the effects of independent variables e. draws conclusions based only on appropriate experimental data