cueFlash

Glossary of 7th and 8th grade earth science

Start Studying! Add Cards ↓

Abiotic
Describes nonliving factors in the environment
Biosphere
The part of the earth where life lives
Biotic
Describes living factors in the environment
Carnivore
A consumer that eats animals
Carrying Capacity
The largest population that a given environment can support over a long period of time
Coevolution
The long term changes that take place in two species because of their close interaction with one another
Commensalism
A symbiotic relationship where one organization benefits and the other is unaffected
Community
All of the population of different species that live and interact in the same area
Competition
Two or more species of individuals trying to use the same limited resource
Consumer
An organism that eats producers or other organisms for energy
Decomposer
An organism that gets energy by breaking down the remains of dead organisms or animal waste and consuming or absorbing the nutrients
Ecology
The study of the interaction between organisms and their environment
Ecosystem
A community of organisms and their non-living environment
Energy Pyramid
A diagram shaped like a triangle that shows the loss of energy at each level of the food chain
Food Chain
A diagram that represents how the energy in food molecules flows from one organism to the next
Foodweb
A complex diagram representing the many energy pathways in a real ecosystem
Herbevore
A consumer that eats plants
Limiting Factor
A needed resource that is in limited supply
Mutualism
A symbiotic relationship in which both organisms benefit
Niche
An organism's way of life and its relationship with its abiotic and biotic environments
Omnivore
A consumer that eats a variety of organisms
Parasite
An organism that feeds on another living creature, usually without killing it
Parasitism
A symbiotic association in which one organism benefits while the other is harmed
Population
A group of individuals of the same species that live together in the same area at the same time
Predator
An organism that eats other organism
Producer
Organisms that make their own food, usually by using the energy from sunlight to make sugar
Prey
An organism that is eaten by other organism
Scavenger
An animal that feeds on the bodies of other dead animals
Symbiosis
A close, long term association between two or more species

Add Cards

You must Login or Register to add cards