Grade 4 Unit 3 Topics Covered key definitions

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Grade 4 Unit 3

Grade 4 Unit 3

Topics Covered • key definitions • means of invasion • characteristics and examples of

Topics Covered • key definitions • means of invasion • characteristics and examples of invasive species • What can be done?

Native and Non-Native Species an organism that naturally originated and evolved in a particular

Native and Non-Native Species an organism that naturally originated and evolved in a particular region Non-Native Species an organism that has been deliberately, or accidentally, transported to its new location

Native Species Indigenous Species an organism that arrived at one place from somewhere else

Native Species Indigenous Species an organism that arrived at one place from somewhere else on its own, without man’s aid Endemic Species an organism that evolved in one place and is found only there, and nowhere else on Earth

Non-Native Species Introduced Species a species not indigenous to a given place, and that

Non-Native Species Introduced Species a species not indigenous to a given place, and that has been accidentally, or deliberately, transported by humans Invasive Species a species that enters into new ecosystems and spreads, causing damage to native species and their habitats

How do species get here? • Natural Process – migratory animals – wind –

How do species get here? • Natural Process – migratory animals – wind – water

Primary Means of Invasion Human Activities – ship fouling/ballast water – fish farming –

Primary Means of Invasion Human Activities – ship fouling/ballast water – fish farming – aquarium/pet trade – control other species – accident

Characteristics of Invasive Species disperse quickly produce many offspring survive extreme environmental conditions “feed”

Characteristics of Invasive Species disperse quickly produce many offspring survive extreme environmental conditions “feed” on many species

More Invasive Species barn owl feral pigs Miconia rosy wolf snail white-spotted jellyfish fountain

More Invasive Species barn owl feral pigs Miconia rosy wolf snail white-spotted jellyfish fountain grass strawberry guava

What can be done? prevention eradication containment control education

What can be done? prevention eradication containment control education

Covered Calls Covered Calls What is a coveredCovered Calls Covered Calls What is a covered
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