'Invader species' diaporamas de présentation

Alien Invaders

Alien Invaders. What are two kinds of alien invaders? I think the most threatening alien invader is ___________ because __________________. The __________________ is another threatening alien invader. Alien Invaders. What is one effect alien invaders have on other creatures?

924 views • 66 slides

Sustaining Biodiversity: The Species Approach

Sustaining Biodiversity: The Species Approach. Chapter 9 J. Stewart- Presenter. Once most common bird in N. America - Extinct in 1914 Humans were responsible (huge flocks, narrow colonies = easy to kill- stool pigeons) Why they were hunted (food, feathers, fertilizer) Extinction.

560 views • 35 slides

Figure 12-2 Page 225

Figure 12-2 Page 225. Passenger pigeon. Dusky seaside sparrow. Great auk. Dodo. Aepyornis (Madagascar). Figure 12-3a Page 226. Kirtland's warbler. White top pitcher plant. Grizzly bear (threatened). Arabian oryx (Middle East). African elephant (Africa).

236 views • 23 slides

Crows of the Mojave Desert

Crows of the Mojave Desert. Corvus Brachyrhynchos. Common Crow. Characteristics. Sometimes Migratory All North American Crows are a Glossy Black About 17 Inches Long at Maturity ~40 Inch Wingspan Believed to Mate for Life. The Basics. Among Most Intelligent/Adaptable Birds

340 views • 13 slides

Invasive Species

210 views • 12 slides

Invader Species

Yellow floating heart The yellow floating heart came for Mediterranean area. They brought it for its ornamental value. The problem of the plant is that it kills native species by making the area low in oxygen. Source: Oregon of agriculture. Wild boar (pig)

142 views • 3 slides