Exploring Invasive Species and Their Impact on Ecosystems

The video explores the concept of invasive species, differentiating them from native and non-native species. It provides examples like the emerald ash borer and zebra mussels, explaining their harmful effects on ecosystems. The video also discusses intentional introductions, such as cane toads and Burmese pythons, and their unintended consequences. It highlights the impact of invasive species on habitats and property, and clarifies the distinction between pests and invasive species.

What is the primary characteristic of a native species?

• Occurs naturally without human intervention

• Only found in gardens

• Introduced by humans

• Always beneficial to the ecosystem

Which of the following is an example of a non-native species?

• Emerald Ash Borer

• Nutria

• Sphinx Moth

• Honeybee

What defines an invasive species?

• A species that causes harm to the environment, economy, or health

• A species that is beneficial to crops

• A species that is native to the area

• A species that cannot reproduce quickly

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How did the emerald ash borer likely arrive in North America?

• Intentionally brought for pest control

• Native to North America

• Accidentally from Asia

• Released as pets

What is a significant impact of zebra mussels in the Great Lakes?

• They clog cooling systems and boat engines

• They are a food source for native species

• They improve water quality

• They help in pollination

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Why were cane toads introduced to Australia?

• For their fur

• To improve soil quality

• As pets

• To control grape-backed cane beetles

What is a major problem caused by Burmese pythons in the Everglades?

• They are beneficial pollinators

• They improve the ecosystem balance

• They have few natural predators and eat many local species

• They help control pest populations

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What is the impact of nutria on the Gulf Coast region?

• They help in pollination

• They destroy marshy wetlands by eating tall grasses

• They are a food source for native species

• They improve water quality

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How do invasive species often out-compete native species?

• By reproducing slowly

• By having no natural predators and competing for food

• By having more natural predators

• By being less adaptable

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What makes the Sphinx Moth a pest in gardens?

• It pollinates flowers

• Its caterpillars destroy tomato plants

• It helps in soil aeration

• It is a beneficial nocturnal pollinator