Type
Crossword
Description

Non living organisms in an ecosystem. Abiotic
Interaction between two different species living in an ecosystem Symbiosis
The ratio of the number of births to the size of the population Natalit
A measure of the number of deaths in a particular population. Mortality
Living organisms in an ecosystem. Biotic
Both organisms benefit from the relationship. 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 Succession
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 Extinction
A graph that shows the biomass or bio productivity at each trophic level. Ecological Pyramid
Factors that affect the size of the population. Density Dependent Factor
Weather/climate that influence the population size. Density Independent Factor
Environmental conditions that limit certain things for organisms in the ecosystem. Limiting Factor
The variety of life in the world/habitat. Biodiversity
The benefits for organisms that come from other workings species in the ecosystem. Ecosystem Services

Activity 5-Ecology Crossword puzzle

Type
Crossword
Description

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

Ecology crossword puzzle

Type
Crossword
Description

Organisms that make their own food autotroph
The variety of species in an ecosystem biodiversity
Organic matter that derives from living or recently living organisms biomass
The area on earth were organisms live biosphere
An organism that only gains energy from other animals carnivore
The maximum quantity of organisms in an area carrycapacity
All the organisms in a habitat working together community
An organism that gains energy from deceased organisms decomposer
Form of biology ecology
Representation of energy flow energy pyramid
A simple diagram that represents the consumption of organisms in an ecosystem foodchain
Complex combination of food chains foodweb
An organism that only gains energy from plants herbivore
Animal that gets it's energy from autotrophs heterotroph
An object or organism the limits the growth of a population limiting factor
Organism that eats meat and plants omnivore
amount of organisms in one species population
An organism that hunts another organism predator
An organism that is hunted by a predator prey

Environmental science crossword

Type
Crossword
Description

The study of how organisms interact with each other Ecology
All living things and their physical environments within a particular area Ecosystem
Change over time Evolution
An organisms habitat resource use and fundamental role in a community Niche
The variety of organisms in an area Biodiversity
Able to meet current demand for a resource without depending the future supply Sustainable
Largest group of organisms In which 2 individuals can produce fertile offspring Species
The process by which new species are generated Speciation
The Disappearance of a species from Earth Extinction
The extinction of an organism or species in one area Extirpation
Anything an organism needs to survive Resources
Killing of an animal illegally Poaching
Any part of an ecosystem that is living or used to be living Biotic factor
Members of a species that live in the same area at the same time Population
Matter that makes up earth and it's atmosphere Geosphere

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

Ecosystems Crossword

Type
Crossword
Description

The nonliving parts of an ecosystem Abiotic Factor
A predator that is at the top of a food chain and that is not preyed upon by any other animal Apex Predator
A living part of an ecosystem Biotic Factor
A relationship between two species in which one species benefits and the other is neither helped or harmed Commensalism
An interaction that occurs when organisms try to get the same resources Competition
All the populations of organisms in an ecosystem Community
An organism that obtains energy by feeding on other organisms Consumer
A helpful interaction among organisms living in a limited area that aids each organism's survival Cooperation
An organsim that gets energy by breaking down dead organisms and the wastes of living things Decomposer
The process in which fixed nitrogen compounds are converted back into nitrogen gas and returned to the atmosphere Denitrification
All the living and nonliving parts of an environment as well as the ineractions among them Ecosystem
An organism that a parasite lives in or on Host
An environmental factor that prevents a population from increasing Limiting Factor
A symbiotic relationship between two organisms in which both organisms benefit Mutualism
An organism's role in its environment Niche
The process that converts nitrogen in the atmosphere into compounds in the soil that are useful to a varity of organisms Nitrogen Fixation
An organism that lives in or on another organism and benefits at the other organism's expense Parasite
A symbiotic relationship in which one organism benefits and the other is harmed Parasitism
A process by which plants use the sun's energy to make food Photosynthesis
A group of organisms of the same species living in the same place Population
A relationship in which one animal hunts, kills and eats another animal Predation
An organism that eats producers Primary Comsumer
An organism in a food web or food chain that makes its own food Producer
A close relationship between two species that benefits at least one of the species (3 types-mutualism, commensalism, parasitism) Symbiosis
A feeding level in an ecosystem Trophic Level

ECOLOGY Crossword

Type
Crossword
Description

non living factors that effect an organism ABIOTICFACTOR
an organism that eats only meat CARNIVORE
the number of people, other living organisms, or crops CARRYINGCAPACITY
a group of interdependent organisms of different species growing or living together in a specified habitat COMMUNITY
an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material. DECOMPOSER
an animal that feeds on dead organic material DETRITIVORES
The ecological role and space that an organism fills in an ecosystem. ECOLOGICALNICHE
The progressive replacement of one dominant type of species or community by another in an ecosystem until a stable climax community is established. ECOLOGICALSUCCESSION
the scientific analysis and study of interactions among organisms and their environment ECOLOGY
to represent the flow of food energy and the feeding relationships between organisms FOODCHAIN
A graphical model showing the interconnecting food chains in an ecological community FOODWEB
an organism that eats only plants HERBIVORE
Non-native species disrupting and replacing native species INVASIVESPECIES
A factor present in an environment that controls a process, particularly the growth, abundance or distribution of a population of organisms in an ecosystem. LIMITINGFACTORS
both benefits MUTUALISM
an organism that eats plants and animals OMNIVORE
the amount of organisms of the same species in an area POPULATION
one is predator, one is prey PREDATION
an organism that makes its own food PRODUCER
A position in a food chain or Ecological Pyramid occupied by a group of organisms with similar feeding mode. TROPHICLEVEL
a biological community of interacting organisms and their physical environment ECOSYSTEM
the increasing concentration of toxic substances within each successive link in the food chain. BIOTICFACTORS
a species that has a disproportionately large effect on its environment relative to its abundance KEYSTONESPECIES
An organism that generally obtains food by feeding on other organisms CONSUMER

Biodiversity Crossword

Type
Crossword
Description

living biotic factors
non-living abiotic factors
the rich variety of life on earth. biodiverity
all the living and non-living parts of a community. ecosystem
the study of the interactions between organisms and their enviorment. ecology
the place in which an organism lives. habitat
all the members of a species in an ecosystem population
all the population in an ecosystem community
part of earth that contains all ecosystems. biosphere
everything that surrounds are animal, or plant, including living/non-living things enviorment

Ecology Vocabulary Crossword

Type
Crossword
Description

A diagram showing all of the interconnected food chains in an ecosystem Food web
Large variety of organisms and species in an ecosystem Biodiversity
An organism that breaks down dead organisms Decomposer
A diagram that shows how energy decreases as it travels through the trophic levels of a food chain Energy Pyramid
A diagram showing a single pathway of energy transfer an ecosystem Food Chain
An organism that eats both plants and animals Omnivore
An organism that eats only other animals Carnivore
An organism that eats only other plants Herbivore
When two organisms fight over the same resource Competition
All of the different populations of organisms living in an area Community
All of the living space on earth Biosphere
Living and nonliving things interacting in an area Ecosystem
All of the members of the same species in an area Population
The organism that is hunted Prey
The organism that hunts others for food Predator
A trait that helps an organism survive Adaptation
The scarcest resource that limits a population's size Limiting Factor
The largest population size an ecosystem can hold Carrying Capacity
A type of relationship where one organism benefits while the other organism is harmed Parasitism
A type of symbiosis where one species benefits and the other is not helped or harmed Commensalism
A type of symbiosis where two organisms benefit from their relationship with each other Mutualism
A relationship where to species interact and one is benefitted Symbiosis
Living part of the environment; includes anything made by a living organism Biotic
Non living part of the environment Abiotic
Any organism able to make its own food (aka Producer) Autotroph
An organism that has to eat other living things to survive (aka consumer) Heterotroph
Used by organisms to do everything it needs to live Energy
Third level consumer. Often top of the food chain Tertiary Consumer
The 1st level consumer. Eats producers Primary Consumer

Ecology Crossword

Type
Crossword
Description

an animal that feeds on flesh carnivore
maximum population in a environment carrying capacity
interacting group of species in a common location community
recieve energy by consuming other organisms consumer
animal that feeds on dead organic materials detritivores
role a specie plays in its environment ecological niche
process which ecosystems change and develop ecological succession
biology that deals with relations of organisms ecology
community of living organisms ecosystem
organism each dependent on the next as source of food food chain
a system of interlocking and interdependent food chains food web
feeds on plants herbivore
species in which other species depend on keystone species
plant, fungus, or animals invasive species
resources are enviromental conditions limit growth limiting factors
symbiosis that is beneficial to both organisms multualism
eats both plants and animals omnivore
amount of species in a particular area population
the praying on one animals on others predation
autotrophic organism that serves as a source of food for other organisms producer
each of several hiearchieal in an ecosystem trophic level
non living chemical and physical parts of the environment that affect living organisms and ecosystems abiotic fcts
pesticides or heavy metal that move up in the food chain biological magni
two species competing for the same resource cannot coexist comp excl p.
any factor limiting the size of the population D.D.F
Both living and non living that can influence the size of the population D.I.F
living components of a ecosystem bio fac
variety of life bio div.
organisms that break down dead or decaying organisms decom

ECOLOGY Word Search

Type
Word Search
Description

abiotic
biodiversity
biology
biomes
biosphere
biotic
commensalism
community
conservation
consumer
ecology
ecosystem
endangered
extinct
global warming
habitat
mutualism
niche
parasitism
population
producer
species
succession
symbiosis
threatened