Briefly describe what is meant by the term pioneer species. Identify the general characteristics of pioneer species, and give examples of pioneer species

What will be an ideal response?


Pioneer species are among the first to colonize a new substrate after a severe disturbance that creates the conditions for primary succession. Pioneer plant species usually have airborne dispersal mechanisms such as windblown seeds or spores or floating propagules for coastal ecosystems. Pioneer species such as lichens or mangroves begin the process of soil formation, paving the way for other vegetation and eventually animals to establish. Pioneer animal species would include flying or windborne insects and small birds.

Environmental & Atmospheric Sciences

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Which of the following U.S. national parks would be mostly eliminated by a 1-meter rise in sea level?

A) Glacier National Park B) Yellowstone National Park C) Everglades National Park D) Yosemite National Park

Environmental & Atmospheric Sciences

The Ogallala aquifer is an important resource in:

a. the Sierra Nevada. b. New England. c. Michigan. d. Florida. e. the Great Plains.

Environmental & Atmospheric Sciences

L. F. Richardson made his first numerical weather model during World War I

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Periodic markets are likely to feature

A) vendors who move from town to town. B) prices that change on a seasonal schedule. C) large sales after the holiday season. D) a daily offering of business services throughout the year. E) consumer goods that change periodically in the central business district.

Environmental & Atmospheric Sciences