Vocab Test Flashcards
1st law of thermodynamics
change in internal energy of a system equals the net heat transfer into the system plus the net work done
2nd law of thermodynamics
when energy changes from one form to another disorder or entropy increases
10% rule
only 10% of energy is passed on from one trophic level to the next
abiotic
non living
autotroph
a producer
biomes
a community of flora and fauna occupying a major habitat
biosphere
the regions of the earth occupied by living organisms
biotic
living
biotic potential
max reproductive capacity of an organism under optimal environmental conditions
CBR
how many births per 1000 people in 1 year
CDR
the amount of deaths per 1000 people per 1 year
carrying capacity
the max amount of animals a habitat can support
commensalism
one benefits the other isnt effected
community
a group of multiple species living together
coniferous
plants producing seeds in cones
convection currents
heat energy transfer by convection when there is a temperature difference between two parts of a fluid
deforestation
the destroying and logging of a forest
denitrification
the removal of nitrogen especially by bacteria
detritus
waste or debris
developed
a matured thing
developing
something that has yet to fully mature and is growing
endangered
a species that is in risk of extinction
estuary
a tidal mouth of a large river
food web
the connection of multiple food chains
herbivores
animals that eat only plants
igneous
rocks solidified from lava or magma
interspecific
occurring between different species
j curve
the population density of an organism increases rapidly in an exponential form but then stops abruptly because of some other factor
loam
a soil with roughly equal proportions o sand, silt, and clay
mutation
the changing of the structure of a gene
permafrost
a layer of soil that is permanently frozen
tundra
a cold climate where tree growth is hindered by low temperatures and short growing season
watershed
a basin like landform that encompasses all rivers and tributaries in an area
WHO
world health organization, concerned with international public health