Term
|
Definition
| communities living in a particular environment |
|
|
Term
|
Definition
| saltwater environment (oceans or seas) |
|
|
Term
|
Definition
| freshwater environment (ponds, lakes, or rivers) |
|
|
Term
|
Definition
| land environment (deserts, grasslands, or forests) |
|
|
Term
|
Definition
aquatic ecosystems containing little oxygen
*cause death to organisms, occur near the coast where populations are most dense
*are the result of algae blooms, a rapid increase in the reproduction of phytoplankton
* phytoplankton undergo respiration at night which depletes the oxygen supply |
|
|
Term
|
Definition
algal blooms are the result of _____- water flowing over land towards aquatic ecosystems
*picks up chemical nutrients from fertilizers which algae use for life processes
*picks up pollutants which can be stored in groundwater or carried by surface water in the watershed |
|
|
Term
|
Definition
land area in which runoff drains into surface water and groundwater
*runoff also picks up pollutants which can be stored in groundwater or carried by surface water and groundwater |
|
|
Term
|
Definition
pollutants can be ingested by organisms which can lead to _______ ______- the increase of concentration of a substance within a food chain
*organisms higher up the food chain will have a higher concentration of pollutants in their tissues |
|
|
Term
|
Definition
a human-made artificial habitat built for the purpose of promoting marine life
*increase biodiversity
*can provide a new home for species when habitat destruction occurs
*can disrupt the natural flow of the existing ecosystem
*can increase the economy through tourism and fishing
*can cause exploitation of species through widespread fishing |
|
|
