WorksheetsPopulation Quiz
Total questions: 10
Worksheet time: 5mins
What does the term 'biosphere' refer to?
The solid outer section of Earth
The layer of gases surrounding Earth
A community of organisms and their environment
Shows areas with chlorophyll from plants and algae
What is a 'community' in ecological terms?
The physical environment where organisms live
A single organism's habitat
All the populations of different species that live together in the same area at the same time
A group of the same species living in an area
What defines a 'population'?
The total biomass of an ecosystem
All the organisms of the same species that live in the same area at the same time
A group of different species living together
The number of individuals in a community
What is a 'limiting factor'?
A condition that has no effect on population size
A resource that is abundant
A factor that increases population growth
Anything that restricts the size of a population
How is 'population density' defined?
The size of a population compared to the amount of space available
The number of species in an ecosystem
The growth rate of a population
The total number of organisms in a community
What does 'biotic potential' refer to?
The actual growth rate of a population
The potential growth of a population if it could grow in perfect conditions
The carrying capacity of an environment
The limiting factors affecting a population
What is 'carrying capacity'?
The largest number of individuals of one species that an environment can support
The total biomass an ecosystem can sustain
The maximum number of different species an environment can support
The average population size over time
What occurs when there is 'overpopulation'?
The size becomes smaller than the carrying capacity
The size becomes larger than the carrying capacity of its ecosystem
The population decreases rapidly
The population remains stable
Which of the following is NOT a limiting factor?
Disease
Abundant food supply
Predation
Availability of water
Which term describes the interaction when two species compete for the same resources?
Competition
Mutualism
Parasitism
Symbiosis
