What does Birth rate mean?
the number of individuals born in a population in a given amount of time
Increases it
What is mutualism?
When two organisms benefit from one another
What is a food web?
A food web is a diagram that shows how organisms in a community are connected by what they eat. It's made up of many interconnected food chains.
Which level has the most amount of available energy?
Bottom level or producers.
Define Death Rate
the number of deaths occurring in a population during a particular period of time.
How does death rate affect the population?
Decreases it
What is Commensalism?
Which organisms are usually at the bottom of the food web?
Producers / Plants
Which level has the least amount of available energy?
Apex predator, Top level
Define Carrying Capacity
the maximum population size of a species that an ecosystem can sustainably support over time without causing significant damage to the environment
What happens to the population when the population is greater than the carrying capacity?
The population decreases
What is parasitism?
When one organism benefits and the other is harmed negatively.
What type of organisms are at the top of the food web.
Apex Predator or Top Predators or Tertiary consumer
As you go up the energy pyramid you decrease the available energy by what %
10%
Define Immigration and Emigration
Immigration is the act of entering a country, while emigration is the act of leaving a country.
Name 4 examples of limiting factors
Food, Space, Predation , Sunlight , Water , Shelter
What is the difference between parasitism and predation?
Parasitism is when one organism benefits and the other is harmed.
Predation is when one animal eats another animal.
Which two animals in this food web do not eat plants?
If producers are composed of 10,000 kcal how much would herbivores get out of those calories?
1000 calories
Define Limiting Factor
A limiting factor is a resource or condition that limits the growth of a population or system
Name 5 limiting factors
Pass/ Fail
What type of Ecological relationship is this? ( Whale and Barnacle)
Commensalism
Name all of the herbivores in this picture.
Field Mouse, Quail , Beetle, Squirrel
If producers are composed of 10,000 calories how much available energy would secondary consumers get after eating a primary consumer.
100 calories