Type
Word Search
Description

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

Chapter 4 Vocabulary Crossword

Type
Crossword
Description

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

Population Ecology Crossword

Type
Crossword
Description

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

Environmental science Chapter 4 vocab crossword

Type
Crossword
Description

knowledge with living and nonliving together Ecology
Pure group but different and distant Species
Being's group population
All Different in same position Community
living and nonliving combined Ecosystem
made of gas, liquid, and solid Biosphere
in the interacting zone Biotic factor
used by and touches the MULTI-C Abiotic factor
Where the heart is to being's mind and body Habitat
Anything from the Earth's many work stations to be used Resource
pure current amount of group Population Size
measured space of L-Influencers in Population density
The pure living groups spreaded Population distribution
Different ages mix Age structure
measuring amount of ages' clashing Age structure diagram
MARS AND VENUS Sex Ratio
Chance measurement to fulfill living goals Survivorship curve
non-usual home Immigration
Going out of group Emigration
Season's flight/move Migration
Non-changing increase Exponential growth
stopping increase Limiting factor
high limit to give Carrying Capacity
down to zero Logistic growth
Getting affected Density dependent factor
Touch will alter UP OR DOWN Density-independent factor
Birth limit Biotic potential

Human Population Growth - Crossword Puzzle

Type
Crossword
Description

development on the edge of cities and towns urban sprawl
tells us the size of a population within various age groups age structure
people leaving an area emigration
number of years someone is expected to live life expectancy
s-curve logistic
study of population changes demography
j-curve exponential
ratio of deaths death rate
ratio of births birth rate
people coming into an area immigration
number of children born to a woman in her lifetime fertility rate
how quickly (or slowly) a population's size is increasing (or decreasing) growth rate
shift to machines, factories, and mass production industrial revolution
growth of urban areas urbanization
changes in a population's growth as it becomes more industrialized/urbanized demographic transition

population dynamics crossword puzzle

Type
Crossword
Description

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

Population Ecology Crossword

Type
Crossword
Description

The number of organisms per unit area is___________. Population Density
___________________ is any factor in an environment that does not depend on the number of organisms per unit area. Density- independent factors
___________________ is any factor in an environment that does depend on the number of organisms per unit area. Density- dependent factors
This explains how fast a given population grows. Population Growth Rate
The ______________________ shows rapid population increase due to more reproduction. Exponential Growth Model
The _________________ shows when the population‘s growth slows/stops, following exponential growth. Logistic Growth Model
Environments reach its _____________ when there are limited resources left. Carrying capacity
The _____________ is a pattern that contains long life spans and is larger in size. K-strategist
The __________ pattern includes short life spans and are smaller in size. R-strategist
This is the study of human population size, density, distribution, movement, and birth/death rates. Demography

Population Growth and Interactions Crossword

Type
Crossword
Description

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

Population Dynamics Crossword

Type
Crossword
Description

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

Chapter 5-6 Crossword

Type
Crossword
Description

Number of individuals per unit area population density
number of males and females of each age in a population age structure
moving into a population immigration
movement of individuals out of a population emigration
Growth pattern in which the individuals in a population reproduce at a constant rate; forms a J-curve exponential growth
occurs when a population's growth slows or stops following a period of exponential growth; forms an S-curve logistic growth
Largest number of individuals of a population that a environment can support carrying capacity
affects all populations in similar ways, regardless of population size density-independent
its effects depend on how close members of a population are to one another; example disease density-dependent
Scientific study of human populations. demography
the cultivation of a single crop in a given area monoculture
a natural resource that can be replaced renewable resource
a natural resource that cannot be replaced when used up non-renewable
practice of not using natural resources more quickly than they can be replenished sustainable development
the gradual transformation of habitable land into desert desertification
The removal of trees faster than forests can replace themselves. deforestation
process by which pollutants become more concentrated in successive trophic levels of a food web biological magnification
the variety of life in the world or in a particular habitat or ecosystem. biodiversity
Breakup of a habitat into smaller pieces, usually as a result of human activities. habitat fragmentation
the environmental impact of a person or population ecological footprint

Population Dynamics Crossword

Type
Crossword
Description

More geese moved into the Columbia river basin causing an increase in the population this is called Immigration
Another cause of decreasing population other than death Emmigration
When the population growth is growing at an increasing rate. This causes a J shaped curve Exponential Growth
The limits of the environments ability to support the lion population for the long term. Carrying capacity
Space and food are examples of Density dependent factors
Anthing that stops a population from growing is called a Limiting factor
Natural disasters are an example of this type of factor Density independent
When the population growth slows down, and the population begins to level off Logistic growth curve
When ___________ exceeds _____________ the population will increase Birth death
A population is a group of one ____________ living in one area and interacting together. Species
If a population had unlimited resources, what type of growth would they show? Exponential
When a population exceeds its carrying capacity, this is called an Overshoot
A density independent factor caused when humans break an ecosystem into smaller pieces Habitat fragmentation
When excess nitrogen or phosphorous is released into waterways it can cause Eutrophication