Font size
WorksheetsUnit 7 Populations and Communities
Total questions: 30
Worksheet time: 15mins
_____________ is the study of how organisms interact with each other and with their environment .
Biology
Chemistry
Ecology
Ornithology
An organism's habitat must provide all of the following EXCEPT
Food
Water
Predators
Shelter
The nonliving parts of an ecosystem are called
Abiotic factors
organisms
Biotic factors
Populations
A group of organisms that can mate and produce offspring that can also mate and reproduce are a(n)
Population
Community
Ecosystem
Species
An environment that provides an organisms food, water, and shelter is called the organisms __________.
Habitat
Niche
Carrying Capacity
Adaptation
All the biotic and abiotic factors in an area together make up a(n)_________.
Population
Species
Ecosystem
Ecology
Nutrients in the soil from decaying remains of dead animals is/are ___________ factor of an organism's habitat.
Biotic
Abiotic
Symbiosis
Population Density
Bees and flowers are abiotic factors in an ecosystem.
True
False
All the Prairie Dogs living in a Prairie Dog town, make up a(n)__________
Habitat
Community
Population
Ecosystem
All the Prairie Dogs, Coyote's, Deer, Snakes, Mice, Insects in an area, make up a(n)________
habitat
Community
Population
Ecosystem
A group of antelope leaving the herd in search of better grassland is an example of________
Immagtation
Emigration
Carrying Capacity
Population Density
If you count 20 beetles in a garden measuring 5 square meters, the population density of the beetles is
100 Beetles per square meter
20 Beetles per square meter
5 Beetles per square meter
4 Beetles per square meter
All of the following are examples of a limiting factor EXCEPT
Food
Oxygen
Living space
Niche
The main way individuals leave a population is through
Increase Birth rate
Emigation
Immigtation
Death
Population size generally increases if the BIRTH RATE is GREATER than DEATH RATE
True
False
A lack of places to build nests is an example of _________as a limiting factor for a population of birds
Weather Conditions
Living space
Food
Water
The largest population that an area can support is called its_________
Carrying Capacity
Population density
Limiting Factor
Niche
The outcome(s) of a population exceeding their carrying capacity may include (Mark any that may apply)
Immigration
Emigration
Adaptation
Death
Two ways to join a population are?
Births and Immigration
Deaths and Emigration
Births and Emigration
Deaths and Immigration
Individuals who are well-suited for their environment tend to survive and produce more offspring, is best described as__________
Adaptation
Natural Selection
Competition
None of the above
An organism's particular role in its habitat, or when an how it survives, is called its
Abiotic
Ecosystem
Competition
Niche
An artic hare(rabbit) has fur that turns from gray to white in the winter which helps camouflage the hare in snow. This is a(n) example of_________
Adaptation
Natural
Selection
Commensalism
Competition
The struggle between organisms to survive as they attempt to use the same limited resources is called______
Predation
Natural Selection
Competition
Symbiosis
In a predator, prey relationship, as the pray population goes up,
The predator population goes down.
The predator population stays the same.
The predator population goes up.
Both predator and pray populations will reach their carrying capacity.
A relationship in which two species live closely together and at least one of the species benefits is called_____________
Mutualism
Symbiosis
A Niche
A Host
An example of a parasite would be a flea or tick.
True
False
The relationship between flowers and bees can be described as_________
Parisitism
commensalism
Competition
Mutualism
A harmful relationship, where one organism lives in or on another organism (Host) is called_________
Parasitism
Commensalism
Predator Prey
Symbiosis
All are types of symbiosis EXCEPT
Parasitism
Commensalism
Mutualism
Competition
The relationship between Clown fish (Nemo) and sea anemone's would be considered ______________
Commensalism
Parasitism
Mutualism
Competition
