The primary source of energy for most organisms is ultimately derived from
A. glucose.
B. glycogen.
C. plants.
D. the sun.
E. catabolism.
D. the sun.
Biology & Microbiology
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An organized group of specialized cells is called a(n) organ
Indicate whether the statement is true or false.
Biology & Microbiology
Which structure develops from mesodermal tissue?
A) muscles B) lining of the digestive tract C) skin D) nervous system
Biology & Microbiology
You observe a tissue with one free surface with several layers of cells attached to a basal lamina. This
is an example of
a. connective tissue. b. epithelial tissue. c. muscle tissue. d. nervous tissue. e. connective and muscle tissue.
Biology & Microbiology
____ are dome-shaped structures composed of layers of early cells and sediments
a. Meteorites b. Protocells
c. Stromatolites d. Hydrothermal fossils e. Protofossils
Biology & Microbiology