Ecologists refer to natural processes (such as forest fires or landslides) that destroy or damage a great deal of existing vegetation as ____
a. gap creation
b. mosaics
c. succession
d. ecological niches
e. krummholz
a
Environmental & Atmospheric Sciences
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The "master gland" produces many hormones that control the function of other endocrine organs. The "master gland" is the
A. hypothalamus. B. thyroid gland. C. anterior pituitary. D. pancreas.
Environmental & Atmospheric Sciences
The English naturalist Luke Howard devised the first widely used cloud classification system in
A) 1803. B) 1903. C) 1667. D) 1856.
Environmental & Atmospheric Sciences
As early as the 1700s, scientists and observers noticed a remarkable coincidence of shape of the Atlantic coasts of Africa and ____
A) North America B) Australia C) Asia D) South America
Environmental & Atmospheric Sciences
Which of the following does NOT improve local food supplies?
A) spread of disease B) trade C) transportation D) storage
Environmental & Atmospheric Sciences