Biosphere
Populations
Food Webs and Energy Flow
Biogeochemical Cycles
Challenge
100
This sphere contains all living things
Bioshphere
100
This type of growth is characterized by having unlimited resources
Exponential Growth
100
The arrows in a food web represent
The flow of energy.
100
The organisms are vital to ALL cycles and help recycle nutrients.
Decomposers
100
Make a claim that answers the following: Which species is most important to the health of the ecosystem?
The Trees/Grass (producers) are most important to the health of the ecosystem.
200
All the nonliving things are called ______ factors
Abiotic
200
The maximum number of a population that can be supported.
Carrying Capacity
200
Where is the most energy in an ecosystem
Producers
200
The largest reservoir for this cycle is the atmosphere
Nitrogen cycle
200
How would you decrease the rate of erosion on this mountain?
Increase the amount of vegetation.
300
Increasing this slows down the rate of erosion.
Vegetation
300
This type of growth is most impacted by limiting factors
Logistic growth
300
If the Rabbits decrease, identify two direct changes that will occur in the ecosystem.
Acceptable answers include:
The hawks will decrease
The Fox will decrease
The grass will increase
MUST HAVE TWO CORRECT FOR POINTS.
300
This is the process of removing phosphorus from rocks
Weathering
300
Which two spheres are interacting:
Volcanoes spew smoke and ash into the air.
Geosphere and Atmosphere
400
This is a natural effect that traps carbon dioxide and heats the earth.
The Greenhouse Effect
400
The carrying capacity of this population is
~2000 (will accept answers between 2000-2200)
400
The secondary consumers have 10J of energy. The amount of energy in producers would be ____
1,000 J
400
This process takes CO2 out of the atmosphere
Photosynthesis
400
Explain why the African Wild dog population increases if there are less cheetahs
Cheetahs and wild dogs compete for the same food supply, therefore, fewer cheetahs means more resources (food) for the wild dogs.
500
The sphere that contains all gasses
atmosphere
500
This graph shows what type of growth
Logistic growth
500
Which organism will have the greatest impact if they go extinct.
Grasses
500
Without these organisms the Nitrogen Cycle does not work
Bacteria
500
Accurately draw and label a logistic growth curve.
MUST INCLUDE:
Carrying capacity line and label,
a period of exponential growth