Vocab
A simple model of energy flow in a food web
What is an energy pyramid
The process by which plants convert water and carbon dioxide into sugars and oxygen
What is photosythesis
The role of decomposers in an ecosystem
What is eat dead things and the waste from living things.
An example of competition
What is Two hunters hunting the same deer
or owls and crows eat the same food
Differences between animals and plants
what is ... Animals are consumers meaning they get their food from other organisms and plants are producers meaning that they make their own food using photosythesis.
The controlled variable in an experiment
What is the independent variable
The observed phenomenon that is being measured in an experiment
What is the dependent variable
if there were no decomposers
What is dead things world pile up and no matter or energy would flow through the food web
A mountain lion eats a deer
What is predator prey
7 things a crow needs to survive
What is ... food mate
shelter water oxygen space sunshine
A series of chemical reactions in a cell that breaks down sugar and releases energy
What is cellular respiration
In engineering design, the goals and features desired in the solution to a problem
What is criteria
Common decomposers
What is worms bacteria and fungi
A bee pollinates the crops and give us honey
What is mutualism
Causes of species decline
What is ... disease in the food chain abiotic destruction of shelter new introduced predator
A disturbance that disrupts the ecosystem ; can be abiotic or biotic
What is a diruption
An organism that gets its food by eating other organisms
What is a consumer
The amount of matter in a living system stays the same
What is true The matter may change forms but is still present. Matter is recycled within the food web
An example of commensalism
What is one species benefits while the other is neither help nor harmed
Example : Vultures eat the remains of an animal killed by a mountain lion
Explain how food availability affects population size
What is completely. The more food available to a species will allow for more population within the other resource/ecosystem limits
The close and often long term interaction between two species
What is symbiosis
When an ecosystem does not return to its original state after a disruption
What is unstable
Fire helps matter cycle through the biotic and abiotic parts of an ecoystem
What is fire acts as a decomposer. The energy in fire breaks down the large molecules stored in plants to small molecules that return to the soil which is the cyclyng of matter.
An example of parasitism
What is head lice
The introduction of the zebra mussel changed the Hudson River ecosystem.
What is there were 0 zebra mussels now there are 500 billion. They are so efficient at filter feeding that other organisms cannot keep up, this causes food shortages which leads to specie decline.