Environmental Science Acellus
What percentage of the atmosphere is typically made up of carbon dioxide gas
0.03%
What percent of the atmosphere is made up of argon gas
1%
What percentage of the atmosphere is typically made up of oxygen gas
21%
The amount of air in a typical soil is around
25%
Average soil contains what percentage of mineral deposits
45%
What percentage of Americans depend on groundwater
50%
Approximately how much of the earth of the water found on earth is salty
97%
closed system
A system in which no matter is allowed to enter or leave
A complete living thing for example a rabbit or an oak tree is
An organism
Where can decomposers fit in the food chain
At any point
A significant divergent plate boundary runs both to south in
Atlantic Ocean
What would happen is increased amount of food were added for the development of the pond
B
How many different biomes do scientist recognize
Between 8-10
Biotic potential can be
Both biotic and abiotic
Environmental resistance can be
Both biotic and abiotic
Water diversion is a big issue. Which of these is NOT considered to be a water diversion project?
Bridge
Research shows that fragmentation results in losing
C
What is the line that separates layer 1 from layer 2
C
Which statement best describes the inner core
C
Of all the gases listed which is the least abundant in the atmosphere
Carbon dioxide
Which atmospheric gas is being described? Helps keep the sun's energy in our atmosphere is a greenhouse gas
Carbon dioxide
Which of these is a product of cellular respiration
Carbon dioxide
Which is not a potential source of groundwater pollution
Carbon monoxide
A soil sample is more than 60% clay will be called up )
Clay
Which soil particle is so small that it always suspended and will create murky waters
Clay
If you have a soil sample in equal proportion to each other 34% sand 33% silt and 33% clay which soil texture do you have
Clay loam
Which of the following are arranged in order of increasing particle size
Clay>slit>sand
On earth energy
Comes in as light and leaves as heat
An area that is between two solid impervious Rock-layers can form an artesian and will is called a
Confined
What human refer to as land is actually a
Congenital crust
If Less Dense crust collides with less dense crust then must be an example of
Continental crust to continental crust collisio
The majority of nutrients in the oven comes from which source
Continents
Mountain ranges subduction zones and trenches might all result from
Convergent boundaries
What is the source of methane gas
Decomposition
Which term best describe our atmosphere
Dynamic,interacting, constantly hanging
What geologic activity is especially associated with the San Andreas fault
Earthquakes
At transform fault boundaries plates moving in the opposite directions have a tendency to get stuck, resulting in the build up of large amounts of
Energy
Fossilized remains of plants and animals are an example of micronutrient
Erosion
What is defined as "the entire function of what something can do in an ecosystem"
Fundamental
As played slide past each other at a transform fault boundary they
Have a tendency to stick
Which atmospheric gas is the lightest
Hydrogen
This type of area is the area that does not allow water to penetrate percolate and re-charge the aquifer
Impervious surface
The Himalayan Mountains were formed when
India crashes in Asia
Which layer of earth do scientist think is mostly made of metal
Inner core
What happens to the atmospheric pressure in the various of layers as you move away from earth
It decreases
Consider the gas represented by number one
It is exhaled
What happens to the temperature in the various layers as you move away from earth
It may decrease or increase depending on the layer
This ocean environment is characterized by long plants that are rooted on the ocean floor but grow upwards towards the surface
Kelp forest
Which feature of this day is not part of the ground water system
Lake
Where would the atmospheric pressure be the highest
Layer 1
Where is the atmosphere the least dense
Layer 4
Approximately how much freshwater is easily accessible to humans on earth
Less than 1%
Define freshwater
Less than 1% dissolved salts
A soil sample that is 40%
Loam
The graph shown represents population growth
Logistic
Which of the following is an example of negative feedback loop
Maintenance in body Temperatures in animals
Which gas is formed by decomposition
Methane
In a population, exponential growth can lead to a lack of resources, which causes the population to decline
Negative feed back
Homeostasis is a tendency to remain more or less stable. In nature, this is maintained primarily by
Negative feedback loops
Which ocean zone is where the most nutrients are usually found
Nerectic
The floor ocean is
Oceanic crust
What type of crust collision led to the formation of Andes mountains
Oceanic crust to continental crust collision
Which layer of the earth do scientist think is molten and releases heat
Outer core
Which is known as the open ocean
Pelagic zone
Rocks release mineral content through three types of weathering
Physical
What happens at a transform fault
Plates slide along side each other
Which of the following is the largest Reservoir of freshwater on earth
Polar ice caps
This is the type of succession that occurs when all of the usable soil has been destroyed in an ecosystem
Primary
A measure of the total amount of life that is able to grow and exist in a particular area is called
Productivity
The area land that supplies water to an aquifer is called
Recharge area
Carbon dioxide and water vapor have a similar atmosphere function. What is it?
Retains sun energy
Which of these water sources is not considered part of the type groundwater system
River
The water is considered to be ______________ water
Run off
Plowing a field starts which type of succession
Secondary
In a food chain, which refers to an organism that eats both plants and animals
Secondary consumer
Overuse of ground water can lead to which of the following
Sinkholes
At a transform fault boundary
Slide past each other opposite directions
What type of water features occurs when a groundwater interact with or comes to the surface
Spring
unconfined aquifer that intersects with the surface of the earth creates a
Spring
Contains layer that helps protect life on earth from ultraviolet radiation
Stratosphere
What is layer 2
Stratosphere
Which compound, along with other inorganic and organic compounds, are especially important for chemotrophs in the ocean
Sulfur
When conducting a population sample study the second capture attempt we _______ the captured individual
Tag and release
A soil pyramid is used to determine soil
Texture
Subduction is much less likely to occur when two
The plates are equally density
One of the major cycles on earth is the hydrologic cycle what powers the hydrologic cycle
The sun
Why is the open considered to be a biological desert
There is a lack of nutrients
Which layer is farthest from the earth
Thermosphere
What is one significant characteristic of pioneer species
They are very tolerant of extreme conditions
Tertiary consumers are sometimes called
Third level consumers
Sand Andreas fault is an example of
Transform fault
90% of the mass of the atmosphere is located in
Troposphere
Which layer is closet to the surface of earth
Troposphere
This is a area of the ocean where the bottom layers of water which are colder and richer in nutrients are forced up
Upwielling
Soil that has no or little permeability is at risk of becoming
Water logged
Which atmospheric gas plays the biggest role in weather
Water vapor
This ocean zone contains some of the deepest parts of the ocean
abyssal zone
Iceland sits atop which type of plate boundary?
divergent