Shared Flashcard Set

Details

Chapter 43
Biosphere
26
Biology
Undergraduate 1
05/17/2011

Additional Biology Flashcards

 


 

Cards

Term
What does the biosphere include?
Definition
all places where we find life on Earth
Term
What is the difference between climate and weather?
Definition
climate = weather over time
Term
Why is the summer a warmer season in the Northern Hemisphere of the Earth?
Definition
angle towards the sun
Term
Where on the Earth's surface does the sunlight strike most directly with the greatest intensity?
Definition
equator
Term
Why are the poles of the Earth the coldest regions?
Definition
greatest angle
Term
What are ocean currents?
Definition
enormous volumes of water flow
Term
Why do land areas near the oceans have milder climates than the farther inland at the same latitude?
Definition
regional effects
Term
About 100 miles inland from the California coast the climate is quite dry; this is caused by a rain shadow. How does this occur?
Definition
arid region on the other side of the mountain from the ocean
Term
Biomes are areas of land that are recognized by their distinctive _?_ and _?_
Definition
climate; vegetation
Term
located in interior of continents; moderate rainfall; many grazing and burrowing animals
Definition
grasslands
Term
Very low rainfall; usually warm to hot days and cold nights.
Definition
desert
Term
coastal region where seawater and freshwater mix
Definition
estuary
Term
example would be southern california where the trees are small; rain is very sparse in summer but finally arrives in winter
Definition
dry shrublands
Term
a fairly large body of fresh water
Definition
lake
Term
adequate rainfall supports large trees that produce and drop leaves seasonally
Definition
temperate deciduous forest
Term
the dominant trees are evergreens with needle-like leaves
Definition
coniferous forest
Term
warm to hot temperatures all year; very high rainfall amounts; huge variety of plants and animals.
Definition
tropical rain forest
Term
dry and cold most of the year; permafrost; brief summer with small, low-to-the-ground plants
Definition
tundra
Term
In what biome would you find a "prairie"?
Definition
grasslands
Term
What does the word "deciduous" mean?
Definition
seasonal
Term
what is the difference between temperate and tropical when referring to climate?
Definition
temperate - seasonal, tropical - stays warm year round
Term
what type of trees are referred to as conifers?
Definition
evergreen trees w/seed bearing cones
Term
Describe what happens to a lake during a fall or spring overturn
Definition
oxygen-rich water moves down while nutrient-rich water moves up
Term
What human-made disaster happened in the Louisiana estuaries in the summer of 2010?
Definition
oil spill
Term
What is the difference in the pelagic and benthic provinces of the ocean?
Definition
pelagic open waters, benthic ocean bottom
Term
Describe what happens at hydrothermal vents on the ocean floor
Definition
superheated water (mineral-rich) spews out of opening
Supporting users have an ad free experience!