Ecosystems Flashcards
(28 cards)
Abiotic
A non living thing
Biotic
A living thing that contains cells
Niche
Is the fit of a species living under specific environmental conditions
Ecosystem
A system were organisms feed of others or each other
Predator
A predator is when they are dominate in a predator prey
Prey
The victim in a predator prey relationship
Mutualism
Is when two animals benefit
Symbiosis
General name for relationships between animals
Parasitism
When one benefits and the other gets hurt
Commensalism
When one animals benefits and the other doesn’t care
Detrivore
Breaks dead things down using a digestive system
Decomposer
A species that breaks down dead things using chemicals like enzymes
Trophic level
The levels within a food chain, food web or food pyramid
Chemosythetic
describes organisms that produce organic material using energy released from chemical reactions rather than light
Food webs
A web of different food chains
Food chains
Are chains of animals that are in an ecosystem and show how energy flows
First order
Is the 2nd trophic level, also known as a herbivore or primary consumer
Primary consumer
Is a herbivore that is in the 2nd trophic level
Second order
Is the 3rd trophic level in a food chain, also known as the secondary consumer
Secondary consumer
The 3rd trophic level that is usually a carnivore
Pyramid of numbers
a representation of the population, or numbers of organisms, at each level within a food chain
Pyramid of biomass
a representation of the dry mass of organisms at each level within a food chain
Birth rate
the number of organisms within a population that are born within a particular period of time
Death rate
the number of organisms within a population that die within a particular period of time
