unit 1 general terms/ecology Flashcards
ecology
the study of interactions that living organisms have with other living organisms and with the non-living parts of the environment
species
all members of a specific type of organism that can breed and produce fertile offspring
community
all the populations within a specific area that are interacting with each other
organism
a living individual
ecosystem
the total community of an area and the non-living parts of the environment that are interacting with each other
population
all the members of the same species that are living, interacting with each other
transpiration
a process where plants lose water through stomata in their leaves
photosynthesis
(plants, algae, some bacteria)
equation: sunlight +
6H2O + 6CO2 -> C6H12O6 + 6O2
stoma
a whole/pore in leaves that allow for gas exchange and transpiration
sapwood
xylem cells that are unplugged and still able to carry water/minerals
xylem
cells in a plant
-carry water/minerals
-support
-cylanders
-cells grow quickly/die young
summerwood
xylem cells that are small and better at supporting
springwood
xylem cells that are big and better at carrying water/minerals
heartwood
xylem cells that are plugged and are able to carry water/minerals