Which of these factors is pushing elephant species toward extinction?
o
a. climate change
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b. global demand for ivory
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c. habitat preservation
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d. concern for human safety

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

In two sentences explain the differences of neutrophil and macrophage

Amineral crystallizes from magma deep inside earth. which characteristics can be determined given only the information above. a) luster b) streak c) crystal size d) crystal structure