Which of the following statements are true? Check all that apply.A) The terms species and population are interrelated.B) A species is the largest possible population of a particular kind of organism.C) A population includes all organisms in a specific place.D) The term population is often used to refer to portions of a species by specifying a space and time.
Fill in the blank(s) with the appropriate word(s).
A, B, D
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Which of the following best describes the relationship of deforestation to sediment load?
A) Trees provide dissolved sediments to the stream; as trees are removed, the dissolved loads are diminished. B) Trees roots help "anchor" soil; as the trees are removed, the soil more readily erodes into the river channels. C) Forestry waste is often dumped in streams, contributing to the suspended loads. D) The loss of trees along banks of streams increases stream velocity.
Cooler water and stable atmospheric conditions bring dry "B" climate conditions to the
A. east coasts of southern hemisphere continents. B. west coast of the Eurasian continent. C. west coasts of southern hemisphere continents. D. east coasts of northern hemisphere continents.
Which of the following is NOT a factor contributing to sea-level rise?
A) Thermal expansion of seawater B) Melting of ice sheets C) Melting of glaciers D) Melting of sea ice
What is El Nino?
a. a warm desert wind. b. a disruption of the ocean and atmospheric conditions in and around the equatorial Pacific ocean. c. a land-breeze circulation in South America. d. a subtropical jet stream on the Southern Hemisphere.