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;
33 Cards in this Set
- Front
- Back
|
Aphotic Zone |
The region in water depth where photosynthesis cannot occur |
|
|
Photic Zone |
The region of water depth where photosynthesis can occur |
|
|
Benthos |
Organisms that live on, or in, rocks and sediments at the bottoms of lakes, streams, and oceans |
|
|
Plankton |
Phytoplankton and Zooplankton |
|
|
Wetland |
Ecosystem in which water either covers the soil or is present at or near the surface for at least part of the year |
|
|
Estuary |
A special wetland in which the river meets the sea |
|
|
Weather |
day-to-day condition of Earth's atmosphere |
|
|
Climate |
Average conditions over long periods |
|
|
Microclimates |
Environmental conditions that vary over small distances |
|
|
Greenhouse effect |
Allowing visible light to enter but trapping heat |
|
|
Tolerance |
The ability to survive and reproduce under a range of environmental circumstances |
|
|
Habitat |
The general place where an organism lives |
|
|
Niche |
How an organism interacts with the biotic and abiotic factors of an environment |
|
|
Resource |
Any necessary resource for life |
|
|
Competitive exclusion principle |
A principle stating that no two species can occupy the same niche in the same habitat at the exact same time |
|
|
Predation |
One animal captures and feeds on another animal |
|
|
Herbivory |
One animal feeds on producers |
|
|
Keystone species |
A change in population for a single species |
|
|
Symbiosis |
A relationship between two organisms |
|
|
Mutualism |
Symbiosis in which both organisms benefit |
|
|
Parasitism |
Symbiosis in which another organism lives on/in another organism and harms it |
|
|
Commensalism |
Symbiosis in which one organism benefits and another organism is unchanged/neutral |
|
|
Ecological succession |
A series of somewhat predictable changes over time in a community over time |
|
|
Primary succession |
Succession in which an old community with no remains prospers |
|
|
Pioneer species |
The first species to colonize barren areas |
|
|
Secondary succession |
Succession in a community in which there are already remnants of species from its previous form. Forest Fire |
|
|
Canopy |
Tall that form a dense leafy layer |
|
|
Understory |
Layer below the canopy where small trees grow |
|
|
Deciduous |
A tree that sheds its leaves during a particular season |
|
|
Coniferous |
Trees that do not shed there leaves year round |
|
|
Humus |
Material formed from decaying leaves |
|
|
Taiga |
A dense forest of coniferous evergreens |
|
|
Permafrost |
A layer of permanently frozen subsoil |
