At times, unfavorable environmental conditions can cause one gender of a certain population of organisms to drastically decline. during such times, the other gender makes up for the decline by reproducing on its own. this type of reproduction is called the first vertebrate organism to have successfully produced offspring in this manner is the
1a. broadcast spawning
b. parthenogenesis
c. pollination
2a. elephant
b. guppy
c. sawfish
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