Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
32 Cards in this Set
- Front
- Back
- 3rd side (hint)
Ecology
|
the study of interactions between organisms and their environments
|
|
|
Abiotic
|
non-living components
|
|
|
Biotic
|
living components
|
|
|
Ecological time
|
hours/minutes days
|
|
|
Evolutionary time
|
decades, centuries, longer
|
|
|
Dispersal
|
how organisms are distributed on the planet
|
|
|
Climate
|
prevailing weather in an area
|
|
|
What two factors determine climate?
|
temperature and water
|
|
|
From shallowest to deepest what are the 3 aquatic zones
|
photic, aphotic, , benthic
|
None
|
|
Photic
|
where photosynthesis can occur because there is enough light
|
|
|
Aphotic
|
little light
|
|
|
Thermocline
|
narrow strew of rapid temperature change
|
|
|
Benthic zone
|
bottom substrate
|
|
|
Benthos
|
community of organisms
|
|
|
Detritus
|
dead organic matter, food for benthos organisms
|
|
|
What are the three kinds of lakes?
|
oligotrophic, eutrophic, mesotrophic
|
|
|
Oligotrophic
|
deep, nutrient poor, clear water (Tahoe)
|
|
|
Eutrophic
|
shallow, high nutrient, (lake Wilson)
|
|
|
Mesotrophic
|
moderate amounts of nutrients and photosynthetic production
|
|
|
Moving water
|
nutrients depend on overhanging vegetation, usually high oxygen
|
|
|
Inertial zone
|
where land meets water, organisms attach to things or bury themselves
|
|
|
Netric zones
|
shallow regions over continental shelves
|
|
|
Oceanic zone
|
very deep water past the continental shelves
|
|
|
Pelagic zone
|
oven water of any depth, nutrient concentration is lower
|
|
|
Benthic zone
|
seafloor bottom, nutrients reach here when organisms die and sink
|
|
|
Tropical forests
|
equator, most complex, constant temperature and rainfall, canopy
|
|
|
Savanna
|
tropical grassland with scattered trees, occasional fire and drought, large herbivores
|
|
|
Desert
|
sparse rainfall
|
|
|
Chaparral
|
spiny evergreens at midlatitudes along coasts
|
|
|
Temperate grassland
|
all grasses, seasonal drought, occasional fires, large mammals
|
|
|
Coniferous forest
|
cone-bearing trees, cooler, keep needles
|
|
|
Tundra
|
permafrost, very little precipitation
|
|