Unit Vier Word Scramble

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Question	Answer
What are important biotic factors that can affect the structure and organization of biological communities?	Predation, competition, and disease
Ecology as a discipline does not directly deal with this level of biological organization.	Cellular
The biogeographic realms described by Darwin, Wallace, and others are associated with patterns of what?	Continental drift
Species transplants are one way of developing mathematical models for what and what?	Distribution and abundance
The best explanation for unchecked population growth is that what are too few to slow down population growth?	Predators
What ecological unit or relationship is not related to abiotic factors?	Symbiosis
In an altitudinal gradient, what would not change in the same way as in a latitudinal gradient?	Day length
What is the most important factor affecting the distribution of biomes?	Climate
What abiotic factor has the greatest influence on the metabolic rates of plants and animals?	Temperature
What becomes the major factor in delimiting biomes as you travel toward the poles?	Temperature
What causes Earth's seasons?	The tilt of Earth's axis
Generally speaking, deserts are located in places where air masses are usually what?	Falling
Polar regions are cooler than the equator because sunlight strikes the poles how?	At an oblique angle
In temperate lakes, the surface water is replenished with nutrients during turnovers that occur when?	Fall and spring
Through mixing of water in temperate lakes during the spring and fall turnovers is made possible by what?	Changing water temperature profiles
The speed with which plants extend their range northward following glacial retreat is best determined by what?	Their seed dispersal rate
What zone in an aquatic biome often supports communities of organisms that feed largely on detritus?	Benthic
Where would an ecologist find the most phytoplankton in a lake?	Limnetic zone
Nutrient-rich agricultural runoff into freshwater ecosystems can result in what?	Cultural eutrophication
Where would you be most likely to find plants known as hydrophytes?	A bog
Phytoplankton is most frequently found in what zone?	Photic zone
What marine zone would have the lowest rates of primary productivity?	Abyssal zone
2 plant species live in the same biome but on different continents. Although these 2 are not closely related, they may seem similar as a result of what?	Convergent evolution
An area in which different terrestrial biomes grade into each other is known as a what?	Ecotone
What terrestrial biomes are adapted to frequent fires?	Savannas, chaparral, and temperate grasslands
Fire suppression by humans can change what within biological communities?	Species composition
What biome is able to support many large animals despite receiving moderate amounts of rainfall?	Savanna
Tropical grasslands with scattered trees are also known as what?	Savannas
The growing season would generally be shortest in what biome?	Taiga
What type of biome would most likely occur in a climate with mild, rainy winters and hot, dry summers?	Chaparral
Animals tend to maximize their energy intake-to-expenditure ratio. What is this behavior called?	Optimal foraging

Created by: katattak