What was the super continent called that
included the landmasses that are currently
found in the southern hemisphere?
a. Antarctica
b. Pangaea
c. Eurasia
d. Caprica
e. Gondwana
E
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Which of the following elements correctly pairs an essential element in plants with its function?
A) nitrogen â€" component of nucleic acids, proteins, hormones, coenzymes B) magnesium â€" component of nucleic acids, phospholipids, ATP, several coenzymes C) phosphorus â€" cofactor functioning in protein synthesis D) potassium â€" component of chlorophyll; activates many enzymes E) sulfur â€" component of DNA; activates some enzymes
Which of the following best describes cyanobacteria?
A. They all can use H2S as a source of electrons for photosynthesis. B. Their photosynthetic pigments are carried in chlorosomes. C. They carry out anoxygenic photosynthesis. D. They carry out oxygenic photosynthesis.
Mammalian monotremes are limited to the Australian region
a. True b. False
Which of the following is an example of a stretchy
cord of connective tissue? a. skull plates b. ligaments c. leg bone connected to the hip bone d. teeth connected to the jaw e. all of these