Characteristics of a sustainable ecosystem?
What will be an ideal response?
Biological diversity
Space to roam and reproduce
Controlled human activity
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Ash layers from the three most recent caldera-forming eruptions at Yellowstone (2.1, 1.3, and 0.64 million years ago) stretch
A) from Wyoming to Colorado. B) from California to Washington, D.C. C) from one side of Yellowstone National Park to the other. D) from Canada to Mexico.
What type of net has been particularly disruptive in the mistargeting of species?
A) Trawl nets B) Drift nets C) Purse seines D) Gill nets
What is the greenhouse effect and how is it related to climate change?
What will be an ideal response?
Mistletoe (Phoradendron spp.) infest many taxa of plants, often causing the branches of the host species to become swollen and distorted and making the trees more susceptible to insect infestations. This is an example of which symbiotic relationship?
A) parasitism
B) mutualism
C) commensalism
D) amensalism
E) synnecrosis