10% Rule
Food Webs
Trophic Levels
Levels of Organization
Succession
Biogeochemical Cycles
Relationships
100
The amount of energy available to primary consumers if the producers in an ecosystem make 23,000 J of energy.
What is 2,300 J?
100
The producer in the food web shown below.
What is grass?
100
The trophic level that gets their energy from the sun and makes their own food.
What are producers? +100 for autotrophs
100
The smallest living thing. The building blocks of life.
What are cells?
100
The type of succession that starts from bare rock and takes much longer.
What is Primary Succession?
100
The part of the water cycle where liquid water turns into a vapor and rises into the air.
What is evaporation?
100
A relationship where one animal hunts and eats another.
Ex. A fox hunting a rabbit.
What is predation?
200
The amount of energy available to the tertiary consumers in an ecosystem if the primary consumers contain 460,000 kCal of energy.
What is 4,600 kCal?
200
The three primary consumers shown in the food web below.
What are grasshoppers, mice, and rabbits?
200
An organism that eats a primary consumer.
Ex. A hawk eating a rabbit.
What is a secondary consumer?
200
A group of the same type of cells all working together.
What is a tissue?
200
They type of succession that starts with established soil and moves much quicker.
What is Secondary Succession?
200
The two main sources of carbon dioxide in the carbon cycle.
What are respiration and combustion?
200
A relationship where two or more organisms are both trying to use the same resource.
Ex. A tree and a bush competing for sunlight.
What is competition?
300
The amount of energy available to the tertiary consumers in an ecosystem if the producers make 8,200 J of energy.
What is 8.2 J?
300
The two sources of food for the herring.
What are krill and plankton?
300
An organism that eats producers.
Ex. A deer eating acorns
What is a primary consumer?
300
A group of the same species of organism all living in the same area.
What is a population?
300
The first organisms to colonize a new area during primary succession.
What are lichens and mosses? +100 for pioneer species
300
The organisms in the soil that take nitrogen gas and convert it into a form that plants can use.
What are bacteria?
300
A relationship where one organism benefits, but harms the other.
Ex. A flea lives on a dog and drinks it's blood.
What is parasitism?
400
Daily Double!
How much energy must be present at the level of the producers if there are 48,900 kCal of energy available to the secondary consumers?
400
The 4 different predators of the herring.
What are tuna, dogfish, seals, and cod?
400
An organism that eats secondary consumers.
Ex. A dolphin eating a speckled trout
What is a tertiary consumer?
400
All of the living and non-living (Biotic and Abiotic) components of a given area
What is an ecosystem?
400
The reason why trees can't be the first type of plant to colonize a new area.
What is a lack of soil?
400
The process that plants use to take in Carbon dioxide and convert it into food for themselves.
What is photosynthesis?
400
A relationship where both organisms gain some kind of benefit.
Ex. An oxpecker bird eats bugs off of an elephants back.
What is mutualism?
500
How much energy must be available to the primary consumers if there is 54 J of energy available to the Quaternary consumers?
What is 54,000 J?
500
The two organisms in this food web that do not have any predators.
What are buzzards and foxes?
500
Any organism that has to eat other organisms to get energy and nutrients. Another term for consumers
What are heterotrophs?
500
The small pieces that make up a cell.
What are organelles?
500
One possible reason for secondary succession to occur.
What is a wildfire or other natural disaster?
500
The other way for nitrogen gas to be processed into nitrates, besides being fixed by bacteria.
What is lightning?
500
A relationship where one organism benefits and the other is not affected.
Ex. A bird builds its nest in a tree.
What is commensalism?