Geography Exam 3 Review
In which biome would one most likely find xerophytic (dry-adapted) species?
Deserts
A roughly equal mix of sand, silt, and clay is called ____.
Loam
Boundaries between intervals of the geological time scale are determined by ____.
Major events in Earth's history, such as major extinctions
The horizon in which water moves fine particles downward in a process called eluviation is the ____ horizon.
O
The organic rich horizon found at the top of the soil profile is the ____ horizon.
O
A consumer, such as a bear, that eats both producers (plants) and consumers (animals) is a/an ____.
Omnivore
Limestone formed from the shells of marine organisms is an example of ____ sedimentary rock.
Organic
The basic sampling unit, in soil surveys representing all the characteristics and variability used for classification, is the ____.
Pedon
Which of the following is NOT a location in which volcanoes typically occur?
Plutons
If a lava flow completely denudes a mountain, leaving only bare rock, what type of succession will follow?
Primary
An assemblage of minerals and organic matter bound together is called a ____.
Rock
What type of rock is derived from the bits and pieces of former rocks?
Sedimentary
Consider a simple food chain in which a grasshopper eats grass, the grasshopper is eaten by a frog, the frog is eaten by a snake, and a burying beetle feeds on the snake after it dies. Which of the following is NOT correctly matched?
Snake-Primary Consumer
A vertical section of soil is generally organized into distinct horizontal layers called ____.
Soil Profile
Which of the following best describes soil?
Soil is a dynamic material composed of water, air, mineral fragments, and organic matter.
In which of the following regions would one likely NOT find a tropical rain forest?
The Pacific Northwest in the United States.
An earthquake is best described as ____.
The sharp release of energy in the Earth's crust that creates seismic waves.
Areas where plates slide past one another, usually at right angles across mid-ocean ridge systems are ____.
Transform Boundaries
Characteristic fauna of what biome include large ungulates (hooved mammals), such as giraffe, zebra, buffalo, gazelle, wildebeest, antelope, and rhinoceros?
Tropical Savanna
The ____ biome occurs in equatorial regions with erratic rainfall and typically occur on the margins of tropic rain forests.
Tropical Seasonal Forest and Scrub
When a random occurrence produces altered genetic material and inserts new traits into the inherited stream, ____ has occurred.
A mutation
Where would one likely find the deepest soil development?
Level or nearly level grounds.
The horizon that is commonly called topsoil is the ____ horizon.
A
Extrusive igneous rocks cooled and hardened ____ the Earth's surface, resulting in ____ grained rocks than intrusive igneous rocks.
At; Finer
Acidic soils _____.
Cause more rapid weathering and leaching of nutrients.
Soil structure can be defined as which of the following?
Crumb or granular, platy, blocky, or prismatic.
The heat from ____ is the energy that drives plate tectonics.
Earth's extremely hot interior
The study of the interrelationships between organisms and their environment is called ____.
Ecology
Continental crust is composed primarily of ____, while oceanic crust is composed primarily ____.
Granite; Basalt
Chlorophyll reflects predominately ____ wavelengths of visible light.
Green