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Galina-37 [17]
3 years ago
15

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
Biology
2 answers:
Mice21 [21]3 years ago
8 0

Answer:

1A AND 2B

Explanation:

lukranit [14]3 years ago
7 0
1.broadcast spawning 2.guppy
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