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Predation One organism (the predator) kills and consumes another organism (the prey) (+,-)
Detritivore An organism that feeds on freshly dead or partially decomposed organic matter (detritus) (+,0)  Kind of like Commensalism, but not really a species interaction.
Competition (general) The use or defense of a resource by one individual that reduces the availability of that resource to other individuals. (-,-)
Intraspecific Competition The use or defense of a resource by one individual that reduces the availability of that resource to other individuals of the same species.
Interspecific Competition The use or defense of a resource by one individual that reduces the availability of that resource to other individuals of other species.
Nonrenewable Resource A resource that is not regenerated and which becomes unavailable when it is used.
Renewable Resource A resource that is continually regenerated or renewed.
What is Ecology? The study of living things & their environment.
What is an ecosystem? Living and non-living things that interact within a given area.
What is environment? The surroundings of an object.
What is biodiversity? Many different organisms living together.
What does native species mean? Occurring naturally in the area.
What is an invasive species? Something not from the area and also causes disruption to food web.
What is migration? Movement of a population from one habitat to another.
What is abiotic Non-Living things found in environment.
Give an example of an abiotic factor found in environment. Minerals, rocks, water, atmosphere, weather, temperature, sunlight, pollution Minerals, rocks, water, atmosphere, weather, temperature, sunlight
What is biotic? Living things found in environment
What is an organism? A living thing, plant or animal
What is an individual? One single organism.
What is a population? All the individuals of one kind (one species) in a specified area at one time.
What is a community? All the interacting populations in a specified area.
What is a food web? All the feeding relationships in an ecosystem. Many food chains.
What is a producer? an organism that makes its own food by photosynthesis. Example: plants
What is photosynthesis? The process in which plants make food (energy) from sunlight, water and carbon dioxide
What is a consumer? organisms that eat other organisms for energy
What is a primary consumers? organisms that eat only plants. Example: rabbit or cow
What is a herbivore? organisms that eat only plants
What is a secondary consumer? organisms that eat primary consumers. Example: hawk
What is a third level consumer? organisms that eat secondary consumers: human, shark
What is a carnivore? organisms that eats only meat. Example: Tiger
What is an omnivore? organisms that eats both plants and meat: Example: most humans
What is a decomposer? organisms that eats dead matter and breaks it down into chemicals. Example: bacteria and fungi
What are trophic levels? feeding levels found in a food web.
What is an autotroph? organisms that make their own food
What is a heterotroph? An organism that cannot make its own food and must eat other organisms.
What is biomass? The total organic matter in an ecosystem.
What is carrying capacity? The maximum size of a population that can be supported indefinitely by a given environment.
What is detritus? Small parts of organic material.
What is a Food Chain? A sequence of organisms that eat one another in an ecosystem.
What is a Food pyramid? A kind of trophic-level diagram in the shape of a pyramid in which the largest layer at the base is the producers with the first-level, second- level, and third-level consumers in the layers above.
What are Phytoplankton? microscopic plants that live in the ocean.
What are Zooplankton? microscopic animals that live in the ocean.
niche everything an organism does and everything the organism needs in its environment
natural selection responsible for evolutionary changes,survival of the fittest
population a group of organisms of the same species living in the same area
herbivore organisms that eat plants
biotic the living part of an ecosystem
abiotic the nonliving part of an ecosystem
host organism on which a parasite lives
habitat the place in which an organism lives
cainvore animals that prey upon other animals
omnivore organisms that eat both plants and animals
feeding level the location of an organism along a food chain
producers first feeding level in a food chain
herbivores second feeding level in a food chain
usable energy decreases as one moves from one energy level to the next energy level
competition interaction in which organisms struggle against each other in obtaining the resources need for life
predators living organisms that catch, kill, and eat other living things
prey the organisms that are eaten by predators
symbiosis a close relationship between two organisms in which one organism lives near, o, or even inside another organism and in which at least one organism benefits
commensalism type of relationship in which one organism benefits from the relationship and the other benefits or is harmed
mutualism interaction between two organism in which both organisms benefit is some manner
parasitism relationship between two organisms in which one benefits while the second is harmed in some fashion
parasitism dog and flea relationship
mutualism bee and flowers relationship
commensalism relationship between you and the mites living in your eyebrows
Biodiversity variety of all life forms- both in number of species and abundance of organisms of different species
Pollution environmental change that has a negative impact on living organisms
Percentage of food energy passed from one level to another in a food chain 10%
Created by: douglal