Vocabulary
Trophic Levels
Real Populations
Limiting Factors
Miscellaneous
100
Define what a "individual" is.
One single organism.
100
How much energy does NOT get transferred between one trophic level to the next?
90% of the energy is NOT transferred from one trophic level to the next.
100
True or False: Populations are always changing.
True, populations are always increasing and decreasing.
100
What type of liming factor is weather?
Weather is an abiotic limiting factor.
100
Which is greater: the amount of bacteria in your stomach, or the amount of people on the Earth?
There is more bacteria in your stomach than there is humans on this Earth.
200
Birds, flowers, trees and wolves are an example of an ecosystem. True or False?
False! An ecosystem has to have both abiotic AND biotic factors.
200
What is the smallest trophic level?
Tertiary Trophic Level
200
1. What is a group of crows called and 2. Use it in a sentence
They are called a "murder". A murder of crows just flew by.
200
If a population's needs are not met, then what could happen? A. The population would grow. B. The population may get smaller. C. The population would not change.
B. The population may get smaller.
200
Populations compete for what three things?
1. Food 2. Survival 3. Territory
300
What is population?
A group of similar organisms that share the same area.
300
When a predator population's food supply gets larger...it A: the predator population gets larger B: the predator population dies C: the predator population gets smaller D: the predator population uses adaptations
A: the predator population gets larger
300
Janet and Timothy are trying to figure out how many bunnies they are going to have in one year from now. Right now they have 2 bunnies (one male and one female). They can have 4 babies every 6 months. How many bunnies will there be in one year from now.
If they can have 4 babies every 6 months, then in 12 months (one year) there will be 8 babies, plus the two parent bunnies. Therefore Janet and Timothy will have 10 bunnies in one year.
300
Which limiting factor affects a populations the most? EXPLAIN WHY!
Volume affects the population the most. This is because volume limits space; limits the number of bugs that can live in a certain space.
300
The population of Botswana is? A. 2.0 million B. 9.5 million C. 1.5 million D. 4 million
C. 1.5 million
400
The range or area occupied by a population is its...A. growth rate B. geographic distribution C. age structure D. population density
B. geographic distribution
400
What is the difference between a population and a community?
A population is made up of one kind of living thing. A community is made up of different kinds of living things.
400
A population of mice lives in a barn community. A cat population has just joined the community. What will happen? A: mouse and cat population will both go up B: mouse and cat population will both go down C: mouse population goes up and cat population goes down D: mouse population goes down and cat population goes up
D: mouse population goes down and cat population goes up
400
In an ecosystem, birds depend on insects to survive. If someone spreads pesticide to control the insect population, which of the following is most likely to happen? A: The bird population will increase. B: The bird population will decrease. C: The bird population will decrease, then increase. D: The bird population will increase, then decrease.
B: The bird population will decrease.
400
What is the formula for population change?
Population change = (birth + immigration)-(death + emigration
500
The scientific study of the human population is...A. demographic transition B. population C. demography D. age-structure
C. demography--is the statistical study of living human populations
500
Typically the number of organisms_______ as you go up through the food web
Decrease
500
Three factors can affect population size:
The number of births, the number of deaths and the number of individuals that leave or enter the population
500
FREE SPACE!!!
Everyone gets points!!
500
What is the population of the continent of Antarctica? A. 50,000 B. 100,000 C. It has no permanent population D. 11,000
C. It has no permanent population
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