Question

review the details below.

• in some documented cases, female octopuses have cannibalized their male partners after mating.
• the male octopus dies after mating, and his partners body begins to deteriorate as soon as her eggs hatch.
• female octopuses tend to be larger and stronger than males.

choose the best topic sentence to introduce a paragraph containing these details.
when octopuses come together to mate, its a perilous proposition, especially for males.
the octopus has a short life span and unusual mating habits.
despite their well - known intelligence, octopuses seem to lack social cooperation.

Explanation:

The details focus on the dangers male octopuses face during mating, like being cannibalized and dying. The first option, "When octopuses come together to mate, it's a perilous proposition, especially for males," best sums up these details. The second option mentions a short - life span which isn't emphasized in the details. The third option about social cooperation is off - topic.

Answer:

When octopuses come together to mate, it's a perilous proposition, especially for males.