Type
Word Search
Description

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

    Customize    

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

    Customize    

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

    Customize    

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

    Customize    

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

    Customize    

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

    Customize    

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

    Customize    

Biology Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

The sexual or asexual process by which organisms generate new individuals of the same kind; procreation. reproduction
Is a biological principle that follows a format in which a population of life forms grows at a faster rate when the population is larger. exponential growth
Occurs when the growth rate decreases as the population reaches carrying capacity. Carrying capacity is the maximum number of individuals in a population that the environment can support. logistic growth
A nerve cell that conducts impulses from a sense organ to the central nervous system. sensory
Pertains to the number of a species that an environment can sustain, considering the limiting factors at play (e.g. food, water, competition, etc.). ... Accordingly, the carrying capacity is the population size at which the population growth rate equals zero. carrying captivity
Organisms that depend only on green plants or plant produce for their nutrition. For Example: Cow, goat, rabbit, etc. herbivore
Is the balanced state of having adequate biological defenses to fight infection, disease, or other unwanted biological invasion, while having adequate tolerance to avoid allergy, and autoimmune diseases. immunity
The sum total of the physical and chemical processes in an organism by which oxygen is conveyed to tissues and cells, and the oxidation products, carbon dioxide and water, are given off. respiration
Is an interaction between organisms or species in which both the species are harmed. Limited supply of at least one resource (such as food, water, and territory) used by both can be a factor. competition
As the irreversible increase in the dry mass of an organism. It is brought about by an increase in cell size or number. In plants, growth occurs throughout the lifetime of the plant. growth
Loss of volume of a liquid by conversion into vapor. evaporation
The act or means of moving molecules or ions across (cell membrane) or through (bloodstream) (general) The movement (of something) from one place to another. transportation
Is made up of plants, animals, microorganisms, soil, rocks, minerals, water sources and the local atmosphere interacting with one another ecosystem
Food, or any nourishing substance assimilated by an organism, and required for growth, repair, and normal metabolism. nutrient
A bipedal primate belonging to the genus Homo, especially Homo sapiens. adjective. Of, pertaining to, having the attributes of, a being belonging to the species of the Homo sapiens. human
The loss or removal of nitrogen or nitrogen compounds; specifically : reduction of nitrates or nitrites commonly by bacteria (as in soil) that usually results in the escape of nitrogen into the air. denitrification
The conversion of atmospheric nitrogen into a combined form (as ammonia) through chemical and especially biological action (as that of soil rhizobia) nitrogenfixation
The complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll. photosynthesis
Resources are environmental conditions that limit the growth, abundance, or distribution of an organism or a population of organisms in an ecosystem. limiting fACTORS
Any factor limiting the size of a population whose effect is dependent on the number of individuals in the population. For example, disease will have a greater effect in limiting the growth of a large population, since overcrowding facilitates its spread. density dependent
Is an organism that eats another organism. predator prey relationships
Is a high-energy molecule found in every cell. Its job is to store and supply the cell with needed energy. atp
Factors that lead to population growth: ... rate at which individuals enter or leave a population. immigration (definition) the process of individuals moving into a range from elsewhere. immigration
Migration from a place (especially migration from your native country in order to settle in another).Pertaining to animals that are moving away from their natural environment into another geographical niche. emigration
A group of organisms of one species that interbreed and live in the same place at the same time population

    Customize    

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

    Customize    

Cycles of Nature, Relationships, Populations Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

the processes by which carbon compounds are interconverted in the environment, involving the use of carbon dioxide y photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels. carbon cycle
the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land water cycle
the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition nitrogen cycle
the process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure evaporation
the process where plants absorb water through the roots and then give off water vapor through pores in their leaves transpiration
water released from clouds in the form of rain, freezing rain, sleet, snow, or hail precipitation
a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide respiration
The separation of a substance into simpler substances or basic elements decomposition
the chemical processes by which atmospheric nitrogen is assimilated into organic compounds, such as Ammonia or Nitrate, especially by certain microorganisms as part of the nitrogen cycle. nitrogen fixation
the loss or removal of nitrogen or nitrogen compounds commonly by bacteria (as in soil) that usually results in the escape of nitrogen into the air. denitrification
excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen eutrophication
an interaction between organisms or species in which both the species are harmed. Limited supply of at least one resource (such as food, water, and territory) used by both can be a factor. competition
A relationship between two organisms of unlike species in which one of them acts as predator that captures and feeds on the other organism that serves as the prey predation
the way two organisms of different species exist in a relationship in which each individual benefits from the activity of the other mutualism
a non-mutual symbiotic relationship between species, where one species, the parasite, benefits at the expense of the other, the host parasitism
a relationship between two organisms where one receives a benefit and the other is not affected by it commensalism
the maximum, equilibrium number of organisms of a particular species that can be supported in a given environment carrying capacity
Type of limiting factors of a population such as weather, storms, droughts, etc. density independent
Type of limiting factor of a population that depends on the density and are biotic in nature density dependent
a measurement of population per unit area or unit volume density
The arrangement or configuration of a population in a given area Dispersion
When the resources are unlimited in the habitat, the population of an organism may grow in this fashion. Exponential
population growth that occurs when the growth rate decreases as the population reaches carrying capacity logistic

    Customize    

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

    Customize