Objective 2:

Competition
Niches (2c)

Objective 4:

Coevolution (4a)
More on coevolution (4a)
Coevolution and pollination ^(optional)
Sedentary snakes and gullible geckos: predator-prey coevolution. ^(optional)
Snakes slither back to the top ^(optional)
The Flower and the Fly: The amazing extreme pollination relationship between long-nosed flys and deep floral tubes in southern Africa. ^(optional)

Objective 5:

Trends in ecological succession (5c)
Climax communities
Models of succession (5d)

Objective 9:

Soil (9a)
Acid rain (9b):
What is acid rain and what causes it?
Acid rain and forests.
Acid rain still endangers Adirondacks.^{(skim this)}
2001 Acid Rain Data - note low readings in NY State.
Acid rain facts. ^(optional)
Salinization (9e)

Objective 10:

More on the ozone (10e) ^(optional)

Objective 11:

Introduced species (11b):
Introduced Species (EPA) ^(skim)
Introduced Species: the Threat to Biodiversity & What Can Be Done, by Daniel Simberloff ^(skim)
Local introduced species: purple loosestrife, zebra mussels, sea lamprey, chestnut blight, Dutch elm disease, brown-headed cowbird, European starling ^(examples)
Impacts of Introduced Species in the United States ^(optional)
Invasive Species in the Great Lakes Region ^(optional)
Invasive Plant Council of New York State^(optional)

Objective 13:

Metapopulations
Wilderness Habitat Essential To Grizzly Bear and Bull Trout Preservation ^(optional)

Field Trip Objectives:

Field trip slideshow

Optional Supplementary Material:

Global dimming - Is air pollution masking the effects of global warming?
Who Killed the Elephants?
Conservation International's Rapid Assessment Program (RAP) teams explore and catalog Earth's biodiversity hot spots before they disappear.