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Biosystem
Evrything?
24
Science
6th Grade
05/25/2011

Additional Science Flashcards

 


 

Cards

Term

Parasitism

Definition

a type of symbiosis where one-organism benefits and the other is harmed. EX: Mosquito feeds on human or dog

 

 

Term
Symbiosis
Definition

 a close relationship between two organisms where are lives near on or in the other and at least one organism benefit.  3 types: commensalism, mutualism, and parasitism.

 

 

Term
Predation
Definition

 Catching, killing, and eating other organism.

 

 

Term
 Competition-
Definition

powerful effect on location and size of a population. Organisms compete for food, shelter and other resources.

 

 

Term

 Food chain 

 

Definition

a series of events in which food and energy are transferred from one ecosystem to another.

 

Term
Food web
Definition

consists of many overlapping food chains. The food and energy links among the producers and consumers in an ecosystem.

 

Term
Producer
Definition

 source of all food in an ecosystem. All food chains begin with producers.

 

 

Term
Consumer
Definition

an organism that feeds directly or indirectly on producers. EX: bear

 

Term
Decomposer
Definition

 Breaks down organisms into simpler substances

 

Term
Herbivore
Definition

a consumer that eats plants

 

Term
Carnivore
Definition

A consumer that eats meat and other animals

Term
Omnivore
Definition

A consumer that eats both meat and plants.

 

 

 

Term
Biotic
Definition

 living organisms. EX: insects, plants, animals

 

 

 

Term
Abiotic
Definition

non-living organisms. EX: sand, water, rock

 

 

Term
Dispersal
Definition

 resources in an ecosystem (or shared) by means of wind, water, and animals

 

Term
Population density
Definition

 

 the number of organisms living in a specified area. EX: 10 deer per acre of land.

 

Term
Limiting factor
Definition

 a factor that limits the growth of a population in an ecosystem EX: severe weather events, amount of rainfall

 

 

Term
Population
Definition

 is a group of organisms of the same type, living in the area. 

 

Term
Community
Definition

the living part of any ecosystem all the different organisms that live together in that area. EX: pond- ducks, frogs, fish.

 

Term

    Habitat

 

Definition

    s the places in which organisms live that provides food, shelter, and other resources used for survival

 

Term

     Sampling-

 

Definition

 counting the number of organisms in a small area and multiplying to estimate the number in a larger area.

 

Term
Ecology
Definition

is the study of organisms and their interactions with living things and their surroundings.

 

Term
Climate
Definition

 the temperature and weather in an environment/ecosystem

 

 

 

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