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Which one does NOT help with predator avoidance?

Members include flatworms.

Which one is used to help attract pollinators?

Penis fencing is a common practice with roundworms.

These animals have a coelom only around the heart.

Parthenogenesis is when unfertilized haploid eggs develop into new offspring.

These animals have a closed circulatory system and nephridia.

There are three characteristics a eukaryotic organism must have to be an animal. Which one does not belong?

Bonus question – Which animal has the longest penis relative to its body size?

Bonus question – Which animal is used to encourage growth of new blood vessels in reattached body parts?