Bio pgs 777-809
Terms
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- herbivore
- eats only producers
- trophic level
- feeding level in an ecosystem
- carnivore
- eats only consumers
- omnivore
- eats both producers and consumers
- secondary consumers
-
eat primary consumers
small ammals and reptiles that eat insects - tertiary consumer
-
3rd level
eats 2nd consumersq - zoned reserve
- area of land that is relatively unditurbed by humansand is surrounded by bufer zones that are minimally impacted by humans
- buffer zone
- area of a reserve that is minimally impacted by humans
- substainable development
- use of natural resources in a way that allows them to renew themselves and be available for the future
- transcpiration
- process by which a DNA template is used to produce a single-stranded RNA
- competitive exclusion
-
one species succeeding over another when the growth of both species is limited by the same resource
-,- - parasitism
-
ticks, leeches, tapeworms, hookworms,
lives with host and gets nutrients as long as possible
+,- - predation
-
interaction in which one organism consumes another
+,- - transpiration
- evaporation of water from a plants leaves
- detritus
- wastes and remains of dead organisms
- food web
- pettern of feeding in an ecosystem consisting of interconnected and branching food chains
- biomass
- organic material manufactured by producers
- primary productivity
- rate by which a community aries in a virtually lifeless areas with no soil
- energy pyramid
- diagram representing energy loss from one trophic level to the next
- nitrification
- process by which certain bacteria convert ammonium to nitrates
- biomass pyramid
- diagram representing the biomass in each trophic level of an ecosystem
- pyramid of numbers
- representation of the numba of individual oraganisms in each trophic level
- nitrogen fixation
- process by which certain bacteria convert nitrogen gas to ammonia
- biodiversity
- variety of life on earth
- overexploitation
- practice of harvesting or hunting to such a degree that remaining individuales may not be able to replenish the population
- conservation biology
- application of biology to counter the loss of biodeiversity
- ecological succession
- series of changes in the species community, often following a disturbance
- primary succesion
-
no soil, no plants, no animals,
volcanic eruption
process by which a community arises in a virtually lifeless area with no soil - secondary succesion
-
change following a disturbance that damages an existing community but leaves the soil intact
forest fire, still has soil but has to wait for plants to grow again - introduced species
-
spp moved by humans to new geographic areas, either intentionally or accidentally
rabbits(brought 2 australia) starlings, horse (in america extinct brought back by spanish) - producer
- organism that makes its own food and produces organic molecules that serve as food for others
- consumers
- obtains chemical energy by feeding on the producers or on other consumers
- decomposers
- break down wastes and dead organisms
- interspecific competition
- competition between 2 or more species
- niche
-
habitat... how an animal lives eats
a squirrl lives in a tree and eats nuts and sleeps durning the winter... - symbiotic relationship
- close interaction between species in which one species live in or on the other
- mutualism
-
2 species that live together 2 help w/o
rhino n pasite eating bird,
the bird eats the parasites off the rhino n the rhino scares the birds pray away
+,+ - commensalism
-
one species benifits the other is not effected much
shark and tiny fish
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