Plate tectonics theory is supported by evidence
from
a. the worldwide fossil record.
b. global distribution of existing species.
c. the sea-floor spreading.
d. all of these.
e. none of these.
D
Biology & Microbiology
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In skeletal muscle, calcium ions are stored in the sarcoplasmic reticulum.
Answer the following statement(s) true (T) or false (F)
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Chlorophyll a absorbs which color(s) of light?
a. red b. green c. violet d. red, violet, and orange e. red, violet, and green
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The settling of an embryo into the lining of the uterus is called
A. fertilization. B. cleavage. C. menses. D. implantation.
Biology & Microbiology
What is the name of the mesoderm-derived, calcium-stiffened structures that comprise the internal skeleton of echinoderms?
a. ampullae b. ossicles c. madreporites d. radial canals
Biology & Microbiology