Animals that have the four basic characteristics of chordates plus a vertebral column are
a. invertebrates.
b. hemichordates.
c. cephalochordates.
d. vertebrates.
d
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The type of sediment limits the kinds of organisms that can live in a particular area
Indicate whether the statement is true or false
A mountain rain shadow is the
a. arid area on the windward slope. b. wet area on the windward slope. c. arid area on the leeward slope. d. wet area on the leeward slope. e. arid area on either slope.
Lisa has a rare genetic defect that causes acute sun-sensitivity. Her mother has the defect, but her father does not. All
of Lisa’s siblings, two brothers and a sister, are also affected. All four siblings are married, but none of their spouses has the mutant gene. Draw a pedigree for this family. Identify and explain the most likely mode of transmission for this disorderWhat will be an ideal response?
A scientist conducts a procedure that causes nitrogen atoms to gain neutrons. The resulting atoms will be:
A. new elements with higher atomic numbers. B. negatively charged. C. ions of nitrogen. D. positively charged. E. isotopes of nitrogen.