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Rapid reproducers and voracious eaters, the snail overpopulates waterways and kills off habitat important to native fish and other wildlife.

In contrast, in the nutrient-poor medium, the fastest reproducers won out.

After an asteroid crashed into the earth 66 million years ago, triggering a mass extinction, it would have been harder for slowpoke reproducers like dinosaurs to recover.

Geological Survey, told the magazine he worries about the ongoing impact of turbines on bat populations, which are an essential link in certain ecosystems. “Bats are long-lived and very slow reproducers,” he said.

P. chrysogenum isn't the only previously asexual fungi recently reclassified as a reluctant sexual reproducer.