QuestionAugust 19, 2025

9. How have the yellow crazy ants, an invasive species, impacted the ecology of the red crabs living on Christmas Island? 10. What are the risks and benefits to the chinstrap penguins who live on the volcanic Zavadovski Island? 11. How do individual penguins find their nest and mates within the colony?

9. How have the yellow crazy ants, an invasive species, impacted the ecology of the red crabs living on Christmas Island? 10. What are the risks and benefits to the chinstrap penguins who live on the volcanic Zavadovski Island? 11. How do individual penguins find their nest and mates within the colony?
9. How have the yellow crazy ants, an invasive species, impacted the ecology of the red crabs living on Christmas Island? 10. What are the risks and benefits to the chinstrap penguins who live on the volcanic Zavadovski Island? 11. How do individual penguins find their nest and mates within the colony?

Solution
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Answer

Yellow crazy ants disrupt red crab populations, affecting ecosystem balance. Chinstrap penguins face volcanic risks but benefit from reduced predation. Penguins find nests and mates using vocal and visual cues. Explanation 1. Impact of Yellow Crazy Ants on Red Crabs Yellow crazy ants have significantly disrupted the ecosystem by preying on red crabs, leading to a decline in their population. This affects seed dispersal and forest regeneration, as red crabs play a crucial role in these processes. 2. Risks and Benefits for Chinstrap Penguins on Zavadovski Island Risks include volcanic activity that can destroy habitats and food scarcity due to environmental changes. Benefits involve reduced predation and competition, allowing for a stable breeding environment. 3. Nest and Mate Finding in Penguin Colonies Penguins use vocalizations and visual cues to locate their nests and mates within densely populated colonies, relying on unique calls and landmarks.

Explanation

1. Impact of Yellow Crazy Ants on Red Crabs<br /> Yellow crazy ants have significantly disrupted the ecosystem by preying on red crabs, leading to a decline in their population. This affects seed dispersal and forest regeneration, as red crabs play a crucial role in these processes.<br /><br />2. Risks and Benefits for Chinstrap Penguins on Zavadovski Island<br /> Risks include volcanic activity that can destroy habitats and food scarcity due to environmental changes. Benefits involve reduced predation and competition, allowing for a stable breeding environment.<br /><br />3. Nest and Mate Finding in Penguin Colonies<br /> Penguins use vocalizations and visual cues to locate their nests and mates within densely populated colonies, relying on unique calls and landmarks.
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