Energy
Biogeochemical Cycles
Populations
Potpourri
Predators
100
About this percentage of energy is passed on to the next trophic level when one organism consumes another
What is 10%
100
The process by which trees and other plants release water into the atmosphere
What is transpiration?
100
The maximum population of a particular species that a given ecosystem can sustain
What is carrying capacity?
100
All of earth's water in solid, liquid and gas form
What is the hydrosphere?
100
Of bears, elk, songbirds, bees, and beavers, the population that has not benefitted from the re-introduction of wolves to Yellowstone Park
What is elk?
(though debatable: the elk population, while smaller, is healthier.)
200
The trophic level of the squid
What is third trophic level?
200
Excluding the carbon stored in the lithosphere (rocks), most of the carbon involved in the carbon cycle is stored here.
What is the (deep) ocean?
200
An abiotic factor that could decrease the carrying capacity of rabbits in a forest
What is...
poor weather?
less space/land?
flood?
200
Of water, sand, seashells and pH, the one that is NOT an abiotic factor
What is seashells?
200
An indirect interaction that results from the removal of a top predator in an ecosystem. The removal can change the entire ecosystem.
What is a trophic cascade?
300
The herbivores in this food web
What is crab, krill and zooplankton
300
One way in which humans change the carbon cycle
What is...
deforestation?
burning of fossil fuels?
300
Of lynx and hares, the population represented by the red graph.
What is hares?
300
An organism that no longer lives anywhere on earth
What is extinct?
300
When purple starfish were removed from tidepools, this organism took over the ecosystem
What are mussels?
400
Of solar, chemical, radiant, or thermal, the type of energy that consumers use.
What is chemical?
400
The process by which nitrogen gas is changed into usable nitrogen by plants and animals
What is nitrogen fixation?
400
If parrotfish are eliminated, what is likely to happen to the butterfly fish population?
What is increase (since less competition for algae and space)?
400
Kudzu, cane toads, and asian carp have this in common.
They are all invasive species
400
Without sea otters present to eat them, these organisms eliminated kelp forests in Alaskan waters.
What are sea urchins?
500
Photosynthesis produces these two products
What are sugars and oxygen?
500
In plants and animals, nitrogen is a key component of these two substances.
What are protein and DNA?
500
All of the individuals of all species living in a particular ecosystem
What is a community?
500
Pesticides are an example of this type of control for an invasive species
What is chemical control?
500
Approximately this many plastic straws are used and discarded every day in the United States
What is 500 million?