What role did cyanobacteria play in shaping Earth’s environment?
a. They are single-celled organisms that are detritivores.
b. They produced oxygen, which led to changes in Earth’s atmosphere.
c. They evolved into the first plants that colonized land.
d. They are the ancestral form of all life on Earth
B
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The Calvin cycle is sometimes referred to as the C3 pathway because it generates a single three-carbon molecule for
every three turns of the cycle.
a. True b. False
Growth that results in an increase in the length of a plant is referred to as:
a. horizontal growth. b. longitudinal growth. c. primary growth. d. radial growth. e. secondary growth.
Rods differ from cones in that
A. cones are more sensitive. B. rods respond to a broad spectrum of light wavelengths. C. cones are widely dispersed in the retina. D. rods are concentrated in the fovea centralis.
What is operant conditioning?
What will be an ideal response?