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Microplastics and Their Impact on Biodiversity

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Microplastics and Their Impact on Biodiversity

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Questions and Answers

What is a characteristic of microplastics that makes them a major environmental issue?

They are only consumed by leatherback turtles

They are only found in marine ecosystems

They persist in the environment for a long time (correct)

They are biodegradable

What is one way that microplastics can have a direct effect on biodiversity?

Via ingestion and biomagnification through the food chain (correct)

By providing a food source for certain species

Through the release of co-pollutants

By altering the Earth's climate

What is the 'jellyfish hypothesis' in relation to microplastics?

The hypothesis that leatherback turtles mistake transparent plastics for jellyfish (correct)

The concept that microplastics are attracted to jellyfish

The theory that jellyfish consume microplastics

The idea that microplastics resemble jellyfish in appearance

What is the term for the ability to differentiate between information-bearing and random stimuli?

Signal detection theory Signup and view all the answers

What is the trade-off that occurs in foraging, according to the text?

Between accepting low-profit options and rejecting high-profit options Signup and view all the answers

What influences the acceptance threshold in foraging, according to the text?

Level of prey resemblance, food selectivity, and nutritional state Signup and view all the answers

What is a broad threat category that includes microplastics, according to the text?

Pollutants Signup and view all the answers

What is a recent study that showed a 'nasty surprise'?

Insect decline Signup and view all the answers

What ecosystems are understudied in terms of microplastic pollution, according to the text?

Terrestrial and freshwater ecosystems Signup and view all the answers

What is the implication of recent studies on the impact of pollution on biodiversity, according to the text?

The impact is likely underestimated Signup and view all the answers