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51 Cards in this Set

  • Front
  • Back
Biosphere
The regions of the atmosphere occupied by living things
Ecosystem
A community of living things in one area possessing biotic and abiotic factors
Organism
An individual living thing
Cell
Life's basic unit of structure and function
DNA
The molecular chemical responsible for hereditary inheritance
System
A combination of parts that collectively form a larger united organization
Gene
Units of inherited information
Interspecific Competition
Competition within a species
Competitive Competition
When two species are so similar in their needs that the same resource limits both species’ development
Niche
The qualities that define an organism- its habitat, food sources, etc.
Predation
An occurrence when an organism consumes another organism
Symbiotic Relationship
The interaction between two populations living very close together
Parasitism
When one organism benefits at the expense of another in a symbiotic relationship
Mutualism
When both organisms in a symbiotic relationship benefit
Commensalism
When one organism benefits from their symbiotic relationship and the other is not affected.
Producer
An organism that produces its own by converting sunlight into chemical energy
Consumer
An organism that consumes other organisms to obtain chemical energy
Decomposer
An organism that breaks down dead organisms and waste
Trophic Level
Feeding level within a food chain
Food Chain
The path of food transfer from one trophic level to another
What type of organism is tat the bottom of all food chains and food webs?
Producers
Herbivore
A consumer that eats only producers
Carnivore
A consumer that eats only other consumers
Omnivore
A consumer that eats both producers and consumers
Primary Consumer
A consumer that eats only producers (Secondary consumers eat primary consumers and tertiary consumers eat secondary consumers
Detritus
Dead, decaying matter
Food Web
The pattern of feeding within an ecosystem represented by interconnected and branching food chains
Biomass
The organic material within a certain area
Primary Productivity
The rate at which producers in an ecosystem produce biomass
What is the criteria for a living thing?
DNA
Cells
Use Energy
Homeostasis
Reproduction
Adaptation to environment
Respond to environment
Herbivore
A consumer that eats only producers
Carnivore
A consumer that eats only other consumers
Omnivore
A consumer that eats both producers and consumers
Primary Consumer
A consumer that eats only producers (Secondary consumers eat primary consumers and tertiary consumers eat secondary consumers
Detritus
The residue of dead organisms
Food Web
The pattern of feeding within an ecosystem represented by interconnected and branching food chains
Biomass
The organic material within a certain area
Primary Productivity
The rate at which producers in an ecosystem produce biomass
What is the criteria for a living thing?
DNA
Cells
Use Energy
Homeostasis
Reproduction
Adaptation to environment
Respond to environment
Anti-virals: Acyclovir (Zovirax)
anti-infective
s.e.: headache, bl. dyscrasias
N.C: trmt of herpes, varicella
=IV: onset & peak immediate
=PO: absorbed minimally, onset unknown, pk 1-1/2 hrs
=do not break, crush or chew
=PO: take w/out regard to meals w/full glass water
=if does missed take asap, up to 1 hr b4 next does
=contact MD if sore throat, fever and fatique, could be signs of superinfection
Energy Pyramid
Shows the energy loss from one trophic level to the next
Biomass Pyramid
Represents the actual biomass in each trophic level
Energy
The ability or capacity to do work
What is the order of energy?
Sun goes to produces to primary consumers to secondary consumers to tertiary consumers
How much energy on average gets transferred to the next trophic level?
10-15 percent
What happens to the energy that does not get passed on to the next trophic level?
-Part gets consumed at that level
-Part converts into heat energy
What is another name for a decomposer?
Detrivours
Pyramid of Numbers
Shows number of individual organisms in each trophic level of an ecosystem, organized like energy pyramid
Productivity
The rate at which producers make food
What are the two options an organism has when it shares the same niche with another organism
Option 1= To Die
Option 2= Occupy a new area
Levels of living things from smallest to largest
Cells, tissue Organ, Organ system, organism, population, community, ecosystem