to gain help, profit, or an advantage from something
to spread or scatter over an area
plants or animals that grow on and feed off others
male flower cells, which often look like fine yellow powder
an animal that hunts and eats other animals to survive
a place of safety, comfort, or protection
the way in which two or more living things or groups interact or deal with each other
of or relating to a beneficial relationship between different kinds of organisms
able to be hurt easily
a close relationship between two organisms and both benefit from each other. Example, trees and humans exchange oxygen and CO2
relationship between two organisms where one benefits and the other is not harmed. Example, organism lives on turtle’s shell, but the turtle is not harmed.
A species (parasite) benefits from harming another species (the host). Example, mosquitos benefit from humans, but humans feel itchy when a mosquito bites them.
The nonliving parts of an ecosystem
A predator that is at the top of a food chain and that is not preyed upon by any other animal
A living part of an ecosystem
A relationship between two species in which one species benefits and the other is neither helped or harmed
An interaction that occurs when organisms try to get the same resources
All the populations of organisms in an ecosystem
An organism that obtains energy by feeding on other organisms
A helpful interaction among organisms living in a limited area that aids each organism's survival
An organsim that gets energy by breaking down dead organisms and the wastes of living things
The process in which fixed nitrogen compounds are converted back into nitrogen gas and returned to the atmosphere
All the living and nonliving parts of an environment as well as the ineractions among them
An organism that a parasite lives in or on
An environmental factor that prevents a population from increasing
A symbiotic relationship between two organisms in which both organisms benefit
An organism's role in its environment
The process that converts nitrogen in the atmosphere into compounds in the soil that are useful to a varity of organisms
An organism that lives in or on another organism and benefits at the other organism's expense
A symbiotic relationship in which one organism benefits and the other is harmed
A process by which plants use the sun's energy to make food
A group of organisms of the same species living in the same place
A relationship in which one animal hunts, kills and eats another animal
An organism that eats producers
An organism in a food web or food chain that makes its own food
A close relationship between two species that benefits at least one of the species (3 types-mutualism, commensalism, parasitism)
A feeding level in an ecosystem
A relationship between two different species
Benefits both species
A living thing that affects an environment
Benefits one species, Harms the other
Any non-living thing that affects an environment
Benefits one species, does not harm nor benefit the other
An animal that hunts another animal
The organism that is getting hunted
Any living structure can also be called what
An animal that eats plants only
An animal that eats both meat and plants
An animal that eats meat only
an animal that eats only other animals
evolution (adaptive change) of two or more species based on their shared interactions
a symbiotic relationship in which one species benefits but the other is neither helped nor harmed
an animal that eats only plants
an animal that eats both plants and animals
two different species benefit from their relationship with one another
relationship in which one species benefits and the other is harmed
adaptation in some animals that causes them to look like something else in their environment (insect has the same body shape as a leaf)
an organism that gets its nutrients by feeding on another living organism
the interactions between two or more different species living in close physical association with one another
A diagram showing all of the interconnected food chains in an ecosystem
Large variety of organisms and species in an ecosystem
An organism that breaks down dead organisms
A diagram that shows how energy decreases as it travels through the trophic levels of a food chain
A diagram showing a single pathway of energy transfer an ecosystem
An organism that eats both plants and animals
An organism that eats only other animals
An organism that eats only other plants
When two organisms fight over the same resource
All of the different populations of organisms living in an area
All of the living space on earth
Living and nonliving things interacting in an area
All of the members of the same species in an area
The organism that is hunted
The organism that hunts others for food
A trait that helps an organism survive
The scarcest resource that limits a population's size
The largest population size an ecosystem can hold
A type of relationship where one organism benefits while the other organism is harmed
A type of symbiosis where one species benefits and the other is not helped or harmed
A type of symbiosis where two organisms benefit from their relationship with each other
A relationship where to species interact and one is benefitted
Living part of the environment; includes anything made by a living organism
Non living part of the environment
Any organism able to make its own food (aka Producer)
An organism that has to eat other living things to survive (aka consumer)
Used by organisms to do everything it needs to live
Third level consumer. Often top of the food chain
The 1st level consumer. Eats producers
What are animals called that eat meat?
Animals that eat plants are?
If animals eat both plants and meat they are called
If the number of organisms that an environment can support due to limited resources it is
If an organism cant carry out photosynthesis then they will have to eat on other organisms they are called ?
A section of biospheres that has different types of organism intereacting with each other and with their environment is called
If a animal feeds on a herbivore and they are carnivores their known as
The living things that lives in an area and interacts with each and also depend with each others are called
The non-living things that living things need in order to survive are called
A diagram that shows the transfer of food energy from one organism to the next organism is called
A web that is made of more than two food chain inter connect is
A herbivore that feeds on plants are called
Are plants and algae they produce their own food thought process of photosynthesis are
A plant that uses photosynthesis to store energy is called
The struggle between members of the same species or different species for limited reasources is called
If the number of specfic organism in an area is known as
A symbiotic relationship in which both organism benefit is called as
A close long term of relationships between two organism of different species is called
A type of symbiotic relationship in which one organism benefits while the other is neither helped or harmed is called
A role of an organism in an ecosystemis called a
All the members of a species living in the same place at the same time.
_____________________ growth means that a population size grows at a faster rate when the population is larger.
Birth rate minus death rate.
The maximum number of offspring that an organism can have in their lifetime.
The maximum population that the ecosystem can support indefinitely.
________________ occurs when individuals or populations attempt to use the same resources.
One organism that consumers another for energy.
Symbiotic relationship where one benefits and the other is harmed.
Symbiotic relationship where both benefit.
Symbiotic relationship where one benefits and the other is unaffected.
The relative distribution or arrangement of a population.
The study of human population growth.
Moving into an area.
Moving out of an area.
The distribution of ages in a specific population at a certain time.
The percentage of members of a group that are likely to survive to any given age.
The number of babies born each year per 1,000 women in a population.
The average number of years a person is to live.
What do you call a model that describes how changes in population size can occur.
Land that can be used to grow crops
Term that means more people are living in cities than in rural areas.
an organism that is able to form nutritional organic substances from simple inorganic substances
an organism deriving its nutritional requirements from complex organic substances
A non-living part of an ecosystem.
the part of the earth within which life occurs
A living part of an ecosystem
An animal that eats only other animals
A symbiotic relationship in which one organism benefits and the other is unaffected
An organism that obtains energy by feeding on other organisms
All the living and non-living things that interact in an area
A series of events in which one organism eats another
The pattern of overlapping food chains in an ecosystem.
An animal that eats only plants. Organism that obtains energy ONLY from producers
An organism that provides a source of energy or a suitable environment for a virus or for another organism to live
A symbiotic relationship in which both organisms benefit
A symbiotic relationship in which one organism benefits while the other is harmed
An animal that eats both plants and animals
A carnivore that hunts and kills other animals for food and has adaptations that help it capture the animals it preys upon
An animal that the predator feeds upon
Organisms that use sunlight to make food
A close relationship between two organisms in which at least one of the organisms benefits
Both organisms benefit from this relationship
Lions and hyenas both prey on zebras
Tapeworms , heart worms , and lice are all examples of
An individual of one species eats all or part of an individual of a different species
Relative abundance of each species
Community goes through predictable stages resulting in a stable end point
Close long term relationship between two organisms
Gradual sequential re growth of a community of species in an area
One organism benefits while the other is unaffected
Number of species in a community
Tendency of a community to maintain relatively constant conditions
Species that predominates early in succession
The After the area the more species it has the smaller the area the less species it has
Sequential replacement of species that follows disruption of an existing community
Development of community in an rea that has not previously supported life
Events that change communities , remove or destroy organisms from communities , or alter avilibility of resources
a symbiotic relationship in which both partners benefit
a symbiotic relationship that benefits one species while the other species is harmed
all the living organisms in an enviroment
all strategies and adaptions a species uses in its enviroment
any relationship in which two species live closely together
organisms that seek out and eat other organisms
organisms that are eeaten
made up of populations or organisms that live in a common area
anything that limits an organisms ability to live in a particular enviroment
the process of gradual, natural change and species replacement that takes place in the communities of an ecosystem over time
a stable community formed after primary or secondary succession
large group of ecosystems that shares the same type of climax and a diverse group of plants
a large naturally occurring community of flora and fauna occupying a major habitat
an interacting group of various species in a common location
made up of plants, animals, microorganisms, soil, rocks, minerals, water sources and the local atmosphere interacting with one another
An individual living thing that can react to stimuli, reproduce, grow, and maintain homeostasis
A group of organisms of one species that interbreed and live in the same place at the same time
the organism that is attacked
an organism that is hunting
a nonliving condition or thing, as climate or habitat, that influences or affects an ecosystem and the organisms in it
any living component that affects the population of another organism, or the environment
lace where an organism or a biological population normally lives or occurs.
refers to the way in which an organism fits into an ecological community or ecosystem.
a class of relationships between two organisms where one organism benefits from the other without affecting it.
is a non-mutual relationship between species, where one species, the parasite, benefits at the expense of the other, the host.
the way two organisms of different species exist in a relationship in which each individual benefits from the activity of the other.
refers to a close and prolonged interaction between organisms of different species