Ecosystems and BioGeoChemical Cycles
Biodiversity and Populations
Human Impact
Succession
Miscellaneous
100
It's how organisms get the energy they need.
What is consuming, burning food molecules, and releasing their energy as heat?
100
The variety of organisms in an area.
What is biodiversity?
100
What is pollution?
The release of harmful contaminants into the environment.
100
List a cause that would lead to primary succession.
What is a volcanic eruption or glacial retreat?
100
Birds fly in formation or hang around in a large group.
What is flocking?
200
The amount of energy transferred between trophic levels in a food chain.
What is 10%?
200
The total amount of resources an environment can support.
What is carrying capacity?
200
Removing vegetation from an area results in erosion.
What is deforestation?
200
The key feature that indicates primary succession will occur.
What is lack of soil?
200
A tick on a dog is is this type of relationship.
What is parasitism?
300
What is the difference between a population and a community?
A population is all individuals of one species in an area.
A community is all the populations living in an area.
300
Three things biodiversity provides humans.
What are meds, food, clothes, resources?
300
A non-native species that spreads rapidly and harms ecosystems.
What is an invasive species?
300
What is the difference between primary and secondary succession?
Primary succession begins where no soil or life exists.
Secondary succession occurs where soil remains after a disturbance.
300
Its the seasonal movement of organisms to find mates and food.
What is migration?
400
The relationship between energy and BGC cycles in the biosphere.
What are nutrients are recycled and energy decreases over time?
400
Three things that could decrease the carrying capacity of an ecosystem.
Lack of space, prey, competition, disease
400
An increase in a toxic chemical building up in the animals of a food chain.
What is biomagnification?
400
Why does habitat fragmentation threaten species survival?
It divides ecosystems into smaller areas, reducing resources, increasing pollution exposure, and isolating populations.
400
It is what happens to the element phosphorous when it can no longer be cycled.
What is is ends up in ocean rocks and sediment?
500
A food chain contains grass → rabbit → fox → wolf.
Identify the trophic level of each organism.
- Grass = 1st trophic level (producer)
- Rabbit = 2nd trophic level (herbivore)
- Fox = 3rd trophic level (carnivore)
- Wolf = 4th trophic level (top carnivore)
500
What is the carrying capacity in this ecosystem?
What is 2000?
500
List three conservation efforts.
What are nature preserves, laws enacted, planting vegetation, the 3 R's, carpooling, alternative energy sources...
500
A wildfire destroys most plants in a forest. Which type of succession will occur and which organisms begin to grow first?
What is secondary succession; grasses and small shrubs?
500
FINAL JEOPARDY QUESTION
The owl gets a greater percentage of original energy from the ______ after eating. (See image)
Who is the mouse?