Population density
What is population density?
How many animals are in a given space.
How do you find how much space each thing gets?
Area/population
What is population?
Population is a certain amount of something in a certain place simultaneously.
What is symbiosis?
A close relationship between two different species.
What is succession?
The gradual change from one community of organism to another
How to solve for population density
population divided by area
How to solve for how much space each thing gets?
Area/Population.
What is biotic potential?
The potential growth of a population
The relationship where both benefit?
What is mutualism?
What is primary succession?
Ecological succession that takes place in a location that does not have soil.
What two pieces do you need to calculate population density?
Area and population.
What is this equation solving for?
People/area
Population density.
What is limiting factors?
Anything that restricts the size of a population.
The relationship in which one benefits and one suffers.
What is parasitism.
What is secondary succession?
It is the same as primary succession but with soil.
Why is population density important?
It is important to know if the animals don't have enough space.
What equation is this solving for?
Area/Population
How much space each thing gets.
What is carrying capacity?
The largest number of individuals one species can have.
What is the relationship in which one benefits and one has no effect?
What is commensalism?
Number the following sentences in the correct order.
A: Mosses and ferns grow in soil formed by decaying lichens.
B: Thick, rich soil supports life.
C: Eventually the soil layer thickens and plants take over.
D: Life on a bare rock begins as lichens, weather and erosion break the rock down to form soil.
D, A, C, B
What country has the highest population density?
Bangladesh.
Random sampling was done in a 10ft area divided into 1ft squares. Three of the squares contain five animals, estimate the total population.
Approximately 50
What is population density?
The amount of space each individual gets in a space.
What is the fourth relationship?
Predator/prey.
A forest full of trees is what type of succession?
Secondary succession.