Type
Word Search
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This word search contains the following answers:

emigration
carrying capacity
limiting factor
immigration
demography
logistic growth
age structure
density independent factor
demographic transition
density dependent factor
exponential growth
population density

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Chapter 4 Vocabulary Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

Scientific study of interactions among organisms and their environment. Ecology
Group of similar organisms that can breed and produce fertile offspring. Species
Group of individuals that belong to the same species and live in the same area Population
All different populations that live together in an area Community
Biological community of interacting organisms and their physical environment. Ecosystem
All living organisms that inhabit an environment Biotic factors
All life forms on Earth. Biosphere
Non-living parts of an organism's habitat. Abiotic factors
Place where an organism lives. Habitat
Any necessity of life such as water nutrients light food or space. Resource
Number of individuals in a population. Population size
Number of individuals per unit Sq. Population density
Percentage of the population (or number of people of each sex )at each age level in a population Age structure
Graph of the number of males and females with different age groups of a population. Age structure diagram
Number of males per hundred females in the population. Sex ratio
Graph showing the the number of survivors in different age groups for a particular species. Survivorship curve
Moving into a population. Immigration
Leaving a population. Emigration
Movement from one place to another. Migration
Occurs when a fixed percentage of new people is added to a population each year resulting in ever-increasing population. Exponential growth
An environmental factor that prevents a population from freezing. Limiting factor
Largest number of individuals of a population that an environment can support. Carrying capacity
Growth pattern in which a population's growth rate slows or stops following a period of exponential growth. Logistic growth
Dependent factor-are limiting. Density
A limiting factor whose influence changes with population density; includes competition predation, and disease. Desity-dependent factor
A limiting factor whose influence is not affected by population density; includes catastrophic events. Density-independent factor
The growth rate of a population under ideal conditions. Biotic potential

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Population Ecology Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

All the members of a species living in the same place at the same time. Population
_____________________ growth means that a population size grows at a faster rate when the population is larger. exponential
Birth rate minus death rate. growth rate
The maximum number of offspring that an organism can have in their lifetime. reproductive potential
The maximum population that the ecosystem can support indefinitely. Carry capacity
________________ occurs when individuals or populations attempt to use the same resources. competition
One organism that consumers another for energy. Predation
Symbiotic relationship where one benefits and the other is harmed. Parasitism
Symbiotic relationship where both benefit. Mutualism
Symbiotic relationship where one benefits and the other is unaffected. Commensalism
The relative distribution or arrangement of a population. Dispersion
The study of human population growth. Demography
Moving into an area. Immigration
Moving out of an area. Emigration
The distribution of ages in a specific population at a certain time. Age Structure
The percentage of members of a group that are likely to survive to any given age. Survivorship
The number of babies born each year per 1,000 women in a population. Fertility rate
The average number of years a person is to live. Life expectancy
What do you call a model that describes how changes in population size can occur. demographic transition
Land that can be used to grow crops arable
Term that means more people are living in cities than in rural areas. Urbanization

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population dynamics crossword puzzle

Type
Crossword
Description

This crossword contains the following questions and answers:

group of organisms of the same species that live in the same area population
number of individuals per unit area population density
the presence of too many individuals in an area for available resources overpopulation
occurs when individuals of a population reproduce at a constant rate exponential growth
as resources become less available the population growth rate slows or stops logistic growth
the number os organisms of one species that can be supported in an enviroment carrying capacity
study of info about human populations demography
refers to the number of people of each different age level within a population age structure
resources that can regenerate if they are alive renewable resources
resources that cannot be replenished by natural process nonrenewable resource
a way of using natural resources without depleting them or causing long-term environmental harm sustainable development
the total of all the variety of organisms in a specific area biodiversity
unwanted change in the environment that is caused by harmful substances, wastes, gases, noise, and radiation pollution

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Population Dynamics Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

group of organisms of the same species that live in the same area population
number of individuals per unit area population density
occurs when individuals of population reproduce at constant rate exponential growth
as resources become less available the population growth rate slows or stops logistics growth
the number of organism of one species that can be supported in an environment carrying capacity
study of information about human populations demography
refers to the number of people of each different age level age structure
resources that can regenerate if they are alive or can be replaced by biogeochemical cycles if they are nonliving renewable resources
resources that cannot be replenished by natural processes nonrenewable resources
a way of using natural resources without depleting them or causing long term environment harm sustainable development
total of all the variety of organisms in a specific area biodiversity

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Human Impacts on the Environment Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

a gradual increase in the overall temperature of the earth's atmospher Global warming
the increase in the number of individuals in a population population growth
environmental conditions that limit the growth, abundance, or distribution of an organism or a population of organisms in an ecosystem. Limiting Factor
crops that a region can support without environmental degradation. Carrying Capacity
the distribution of people among various ages. Age Structure
the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects. Pollution
cannot be readily replaced nonrenewable resources
may include goods or commodities such as wood, paper and leather renewable resources
cause economic or environmental harm or harm to human health invasive species
the action of clearing a wide area of trees. deforestation
the variety of life in the world or in a particular habitat or ecosystem. biodiversity

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Chapter 4 Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

Scientific study of interactions among organisms and between organisms and their environment Ecology
A group of similar organisms that can breed and produce fertile offspring. Species
A group of individuals that belong to the same species and live in the same area Population
All the different populations that live together in an area Community
A biological community of interacting organisms and their physical environment. ecosystem
All the living organisms that inhabit an environment Biotic Factors
All life forms on Earth BioSphere
The non-living parts of an organism's habitat. Abiotic Factor
Place where an organism lives Habitat
Any necessity of life, such as water, nutrients, light, food, or space Resources
The number of individuals in a population Population Size
Number of individuals per unit area Population Density
How population is spread out in an area Population Distribution
Percentage of the population (or number of people of each sex) at each age level in a population Age structure
Graph of the numbers of males and females within different age groups of a population Age Structure Diagram
The number of males per 100 females in the population. Sex Ratio
Graph showing the number of survivors in different age groups for a particular species survivorship curve
Moving into a population immigration
Leaving a population emigration
Movement from one place to another migration
occurs when a fixed percentage of new people is added to a population each year resulting in ever-increasing population exponential growth
An environmental factor that prevents a population from increasing limiting factor
Largest number of individuals of a population that a environment can support carrying capacity
Growth pattern in which a population's growth rate slows or stops following a period of exponential growth logistic growth
limits a population more as population density increases density-dependent factor
a variable that affects a population regardless of the population density, such as climate density-independent factor
The maximum rate at which a population could increase under ideal conditions biotic potential

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Population Growth and Interactions Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

the number of individual organisms in a given area or volume Population Density
change in a population size over a specific time frame growth rate
change in population size per individual over a given time frame per capita growth rate
highest possible per capita growth rate for a population biotic potential
results in a J shaped curve exponential growth
results in a S shaped curve logistic growth
maximum population size the environment can sustain carrying capacity
biotic factor that limits a habitat capacity density dependent factors
combined effects that limit population growth environmental resistance
abiotic factor that limits a habitat's carrying capacity density independent
advantage of favourable conditions r-selected
advantage of stable environmental conditions k-selected
competiton b/w members of the same species intraspecific
competition b/w different species interspecific
organism that kills/eats others predators
organism that is killed/consumed prey
camouflage is an ex of protective coloration
close relationship b/w different species symbiosis
both organisims benefit mutualisim
ex is cattle and cattle egrets commensalism
relationship b/w dogs and ticks parasitism
invasion & replacment of species over time succession
development of species where there's no soil 1 succession
1st species to colonize pioneer communtiy
final stage of succession climax community
wildfire is an ex of ecological disturbance
regrowth of previously existing species 2 succession
living to sustain our needs w/o compromising future generations sustainability

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Population Change Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

A group of individuals of the same species that live in the same geographic area at the same time Population
The rate of change of a populations size, expressed in % per year Growth rate
The exponential growth of a population The occurs under ideal conditions Intrinsic rate of increase
The accelerating population growth that occurs when optimal conditions allow a constant reproductive rate over a period of time Exponential population growth
The maximum number of individuals of a given species that a particular environment can support for an indefinite period, assuming there are no change in the environment Carrying capacity
An environmental factor whose effects on a population change as population density changes Density-dependent factor
An environmental factor that affects the size of a population but it is not influence by changes in population density Density-independent factor
The probability a given individual in a population will survive to a particular age Survivorship
The applied branch of sociology that deals with population statistics and provides information on the populations of various countries or groups of people Demography
The number of infant deaths per 1,000 love births Infant mortality rate
The average number of children born to each woman Total feritility rate
The number and proportion of people at each age in a population Age structure
The potential for future increases or decreases in a population based on the present age structure Population growth momentum

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Activity 5-Ecology Crossword puzzle

Type
Crossword
Description

This crossword contains the following questions and answers:

non-living organisms in an ecosystem Abiotic
interaction between two different species living in a ecosystem symbiosis
the ratio of the number of births to the size of the population natality
the number of deaths in a given area or period mortality
living organisms in the ecosystem biotic
beneficial to both organisms mutualism
a community of interacting organisms and their physical environment ecosystem
the number of all the organisms of the same group or species population
a species that other species in the ecosystem depends on keystone species
one of the two types of biological and ecological succession of plant life primary succesion
the series of community changes which take place on a damaged habitat secondary succession
the process of certain organisms that move up the food chain biological magnification
the number of organisms a region can support without environmental issues carrying capacity
the extinction of a large number of species within a short period of time mass exstinction
a graph that shows the biomass or bio productivity at each trophic level ecological pyramid
factors that effect the size of the population density dependent factors
weather/climate that influence the population size density independent factors
environmental conditions that limit certain things for organisms in the ecosystem limiting factor
the variety of life in the world/habitat biodiversity
the important benefits for organisms that comes from species working in the ecosystem ecosystem services

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Ecosystems Word Search

Type
Word Search
Description

This word search contains the following answers:

Abiotic
Autotrophs
Biotic
Carbon cycle
Carrying capacity
Coexist
Commensalism
Community
Competition
Consumer
Cooperation
Decomposer
Denitrification
Detivore
Ecology
Ecosystem
Energy pyramid
Food Chain
Food web
Habitat
Heterotroph
Host
Limiting factors
Mutualism
Niche
Nitrogen cycle
Nitrogen fixation
Organism
Parasitism
Population
Population Density
Predator
Prey
Producer
Species
Symbiosis
Trophic level

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