Resources In A Ecosystem Flashcards
What are materials that are found in nature that are needed for humans?
Natural resources
What are examples of natural resources?
Rocks, DHMO, H20, trees, water, grass oil, gold
What is the MVR (most valuable resource)
Water
How much water do Americans use a day?
40-100 gallons
Whereas drinking water found?
Lakes, ponds, rivers, underground (wells)
What uses waters energy to generate electricity ?
Hydroelectric dams
How much building material do Americans use per year?
17,600lbs
How much metal do Americans use per year?
55lbs
How much oil do Americans use per year?
1,100 gallons
where do we find all the resources needed?
THE EARTH!!
How many mines are in the USA?
500,000
what do the mines mine?
Coal, gravel, metals, rocks
Where does oil pocket?
underground
what is with oil?
Natural Gas
Where is lumber found?
Forests
What is the careful use of resources so that they can last as long as possible??
Conservation
What are the two types of resources??
renewable and nonrenewable
what cannot be replaced within a human lifetime?
Nonrenewable resource
What are examples of nonrenewable resources?
coal, oil natural gas, metals
What is a resource that can be replaced in a human lifetime?
renewable resource
what are examples of renewable resources?
Animals and plants
What are the 3 R’s?
Reduce, Reuse, Recycle
What is reduce?
use less of a product
What is reuse?
use an item again after its original use
What is Rcycle?
To process used products into new ones
What are the 4 parts of the water cycle?
Precipitation, condensation, evaporation, and collection
What is The gradual long term change of plants in an ecosystem?
Succession
What are the two types of succession?
primary and Secondary
What is it when plants first take root in an area where no plannts were?
Primary Succession
What is it when most but not all vegitation in an area has been removed?
Secondary Succession
What are examples of Primary Succession?
Volcano, flood, fire
What are examples of Secondary Succession?
Farmer cuts down trees
What is it that we cannot exist without carbon?
The carbon cycle
What is in carbon?
Carbohydrates, Facts, Proteins, and DNA
What are compounds that contain carbon?
Organic compounds
What is the movement through earths ecosystems of CARBON?
Carbon Cycle
Which does not happen in the carbon cycle?
A) Carbon Dioxide is used by plants in photosynthesis
B) animals get rid of CO2 by respiration
C) Resources are found underground
D) Plants are fixed by bacteria
D
What is the movement of Nitrogen through living and nonliving things?
Nitrogen Cycle
What moves through an ecosystem like carbon?
Nitrogen
Which is not a part of the Nitrogen cycle? A) Animals use N2 in protein and DNA B) Plants are fixed by bacteria C)Oil pockets underground D)Waste decays water
C
Who are always changing ecosystems?
Humans
People that are changing ecosystems are sometimes______ and sometimes_______
Harmful, Helpful
What all provides us with resources?
Mining, Farming, and lodging
The things that provide us with resources Harm what?
Land, Air, and Water
What is the loss of an entire species?
Extinction
What is something that has few individuals that could die out?
Endangered species
What are examples of endangered species?
African Elephant and The Blue Whale
What is the most diverse ecosystem on Earth?
Tropical Forests
How much % have the tropical rain forests been destroyed?
almost 50%
What have the tropical rain forests been destroyed for?
farmland, lumber, or oil
What is the most disrupted ecosystem?
Grasslands
How much percent of the prairie is gone?
99%
What is an area that is covered by water most of the time?
Wetlands
More than _____ the original _______ in the USA are gone
half, wetlands
Which is an example of something that would happen in the Carbon Cycle?
A) Most the vegetation in an area has been removed
B) Animals get rid of CO2 by respiration
C)Plants are fixed by bacteria
B
What is an example of something that would happen in the Nitrogen Cycle?
A) Animals use N2 in protein and DNA
B) Liquid turns to gas
C) Water falls from sky to land
A
