Type
Crossword
Description

the largest population that an environment can support at any given time carrying capacity
An environmental factor that prevents a population from increasing limiting factor
factor that limits a population more as population density increases (examples... disease, competition, predator prey) density dependent
limiting factors whose influence is not affected by population density (examples.... drought, deforestation, floods, fires) Density independent
Living things in an ecosystem Biotic
Place where an organism lives habitat
A community of organisms and their abiotic environment Ecosystem
A trait that helps an organism survive and reproduce Adaptation
Very low temperatures, very little rainfall, mostly as snow. Very small trees, a few herbs, mosses and lichens Tundra
A Biome characterized by cold winters and cool summers, richly packed with evergreen trees and shrubs, furry mammals, birds, cold water fish, etc. Taiga
A forest biome characterized by trees that shed their leaves in the fall. Range of the temperatures can be extreme. Vegetation changes with the seasons because of the temperature. Temperate deciduous forest
a grassland biome that often has few scattered trees and and animals that travel in heards savannah
a biome that has little or no plant life, long periods without rain, and extreme temperatures; usually found in hot climates Desert
A water biome with low salt concentration. Ex. ponds, rivers, streams Fresh water
Biome located loser to equator ( warm, maximum sunlight). Rain: about 100 inches per year. Contain half of all land dwelling species, provide large percent of earth's oxygen. Tropical rainforest
a physical feature of an organism's body having a specific function that contributes to the survival of the organism Structural adaptation
English natural scientist who formulated a theory of evolution by natural selection (1809-1882) Charles Darwin
A natural process resulting in the evolution of organisms best adapted to the environment. Natural selection
Diagram that shows the evolutionary relationships (small changes over time) among a group of organisms Cladogram
A group of similar organisms that can breed and produce fertile offspring. Species
A very simple representation of who eats who in the environment Food chain
network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem showing the energy transfer as you move up the web Food web
a species that is not normally in the ecosystem and disrupts the food web invasive species

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

Land Biome Crossword

Type
Crossword
Description

Factors that effects which organisms can live in a biome. Abiotic
A living factor that effects the population of other organisms in their environment. Biotic
An inherited trait that improves an individuals ability to survive and reproduce in a particular environment. Adaptations
A large region characterized by a specific type of climate and certain types of plant and animal communities. Biome
The weather conditions in an area over a long period of time. Climate
A region found at far northern and far southern latitudes characterized by low-lying plants, lack of trees, and long winters with very low temperatures. Tundra
A region of evergreen, coniferous forest below the arctic and subarctic tundra regions. Taiga
Trees that have evergreen, needle-like leaves and keeps it leaves/needles throughout the winter. Coniferous Tree
A region characterized by by a very dry climate and extreme temperatures. Desert
A region that is dominated with grasses, that has few woody shrubs and trees, that has fertile soil, and that receives moderate amounts of seasonal rainfall. Grassland
Trees that loose their leaves at the end of the growing season. Deciduous Tree
An area of land that is periodically underwater or whose soil contains a great deal of moisture. Wetland
A group of organisms of the same species that live in a specific geographical area. Population
The largest population that en environment can support at any given time. Carrying Capacity
An environmental factor that prevents an organism or population from reaching it's full potential of size or activity. Limiting Factor
When two or more organisms rely on the same environmental resource. Competition
An interaction between two or more living things in which they are said to work together. Cooperation
What occurs when individuals join a population. Immigration
What occurs when individuals leave a population. Emigration
An increase in the amount of nutrients , such as nitrates, in a marine or aquatic ecosystem. Eutrophication
The replacement of one type of community by another at a single location over a long period of time. Succession
A species that colonizes an uninhabited area and that starts a process of succession. Pioneer Species
The number and variety of organisms in a given are during a specific period of time. Biodiversity
Well adapted species that dominates an ecosystem. Climax Species

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

Human Impacts on the Environment Crossword

Type
Crossword
Description

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

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

Home Sweet Biome Crossword

Type
Crossword
Description

climate determines what types of plants grow here biome
this type of factor in the environment is nonliving abiotic
features that allow organisms to survive adaptations
a biome which has low average temperatures and small amounts of precipitation tundra
this biome has more precipitation than a tundra but has similar temperatures taiga
a type off tree who's thin leaves survive all year long coniferous
a biome in which the weather is very dry and receives very little rain desert
a biome with a variety of grasses and a few trees grasslands
this type of grassland has hot summers, cold winters and moderate precipitation temperate
this biome has trees that lose their leaves in the winter forests
this type of tree's leaves thrives in this forest all year around deciduous
this forest has a long cool season and a dry summer rainforest
this rain forest biome is warm all throughout the year, and receves a lot of rain tropical
a piece of land that is soaked with water for most of the year wetland
where a river meets a ocean estuary
an ecosystem that includes a water environment aquatic
water that has very little salt in it. freshwater
a large body of salty water oceans

Ecology Crossword

Type
Crossword
Description

an individual living thing composed of one or more cells Organism
organism that must obtain nutrients and energy from eating other organisms consumer
another term for producer autotroph
The complete destruction of every member of a species extinction
energy links between different organisms in an ecosystem food chain
very similar organism that can interbreed and produce fertile offspring species
a group of organisms of the same species living in an ecosystem population
organism that breaks down chemical compounds made by living things decomposer
organism that consumes only animal tissue consumer
the second level of consumer that eats herbivores secondary consumer
the place organisms live habitat
the non-living components of an ecosystem abiotic factors
the study of the relationships and interactions of living things with their environment ecology
animals that hunt for other living animals predator
organism that can produce their own food through the process of photosynthesis producer
the primary level of consumer that eats producers primary consumer
the living components of an ecosystem biotic factors
a community of organisms in an environment ecosystem
another term for consumer heterotroph
the animal hunted by other animals prey
the overlapping of food chains in an ecosystem food web
organism that consumes only plant tissue herbivore
organism that must obtain nutrients and energy from eating other organisms consumer
the part of the Earth in which life can exist biosphere
the third level of consumer, generally a carnivore tertiary consumer
organism that consumes both plant and animal tissue omnivore
the role of an organism and what it needs to survive in its ecosystem. niche
the interaction between two organisms that require the same resource competition
all living components of an ecosystem community
a major ecological community occupying a large geographic region biome

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

Biomes Crossword

Type
Crossword
Description

The amount of biomes. six
A large area with similar biotic and abiotic factors. Biome
A grassland that has a lot of rainfall during some seasons and very little rainfall in others. Savanna
Characterized by very low winter temperatures and short, cool summers. Tundra
A non-living thing. Abiotic
Biomes that are found on land. Land Biomes
A grassland with warm summers and cold winters. Temperate Grasslands
A region that has little or no plant life, long periods without rain, and extreme temperatures: usually found in hot climates. Desert
A living thing. Biotic
Gets its name from conifers, the main type of tree that grows there. Coniferous Forests
Comes from a Latin word that means "to fall off." Deciduous
Has warm temperatures and high rainfall that allows a lot of plants to grow. Tropical Rain Forests
The natural home or environment of an animal, plant, or other organisms. Habitat
The temperature and precipitation of a particular area. Climate

Ecosystems and Biomes Crossword

Type
Crossword
Description

organisms that make their own food producer
organism that eats producers herbivore
Another name for herbivore primary consumer
organism that eats other consumers secondaryconsumer
a secondary consumer can be a carnivore or ______________ omnivore
All of the biotic and abiotic factors in an environment make up the ecosystem
a warm biome that gets little to no rainfall desert
biome with layer of permafrost below soil tundra
biome with grasses and low shrubs, but no trees and little rain grassland
biome with mostly evergreen trees taiga
biome with distinct seasons and a variety of trees and animals temperateforest
biome with large rainfall and warm temperatures tropicalrainforest
living part of an ecosystem bioticfactor
non-living part of an ecosystem abioticfactor
amount of energy passed from one trophic level to the next tenpercent
model that shows predator-prey relationships between a few organisms in an ecosystem foodchain
model that shows many inter-relationships between organisms in an ecosystsm foodweb