ch.7 key terms Flashcards
(12 cards)
1
Q
swap
A
wetland dominated by woody plants
2
Q
benthic zone
A
threat against marine organisms
3
Q
dams
A
limestone ridges created by small animals
4
Q
decomposers
A
organisms that breake down dead organisms
5
Q
littoral zone
A
aquatic zone found near the shore
6
Q
eutrophication
A
increase of nutrients in an aquatic ecosystem
7
Q
overfishing
A
a threat against a river ecosystem
8
Q
salinity
A
amount of dissolved salt in a body of water
9
Q
runoff
A
precipitation that can carry pollutants into aquatic ecosystems
10
Q
marsh
A
wetland dominated by non-woody plants
11
Q
coral reefs
A
located near the bottom of a pond or lake
12
Q
estuary
A
area where fresh water mixes with salt water