Definitions
Define: Hydrosphere
all the water on earth as a collective system
What is the difference between a marine ecosystem and a terrestrial ecosystem?
marine ecosystems are water-based and terrestrial ecosystems are land-based
Define: Water Molecule
H20
What percentage of the hydrosphere is salt water?
97%
The amount of dissolved material in water is called...?
salinity
Define: Infiltration
the process by which water enters the ground
What are the two types of ocean?
temperate and tropical
What names are given the two characteristics of waters sticky nature?
Cohesion and adhesion
What percentage of the hydrosphere is freshwater?
3%
Define: Water Quality
a measure of the condition of the water relative to the requirements of the organisms it contains or the organisms that use it as a resource
Define: Turbidity
how clear water is
Oceans cover how much of the earths surface?
70%
Cohesion at the surface level of water results in what characteristic of water?
Surface Tension
What percentage of the freshwater in the hydrosphere is groundwater?
30%
Name the 4 types of materials that can be found in seawater.
Inorganic matter, organic matter, gases and particulates
Define: Food Chain
a representation of the relationships among organisms in an ecosystem
Coral Reefs can be found in what type of ocean?
Tropical oceans
What causes waters sticky nature?
polarity
What percentage of the freshwater on earth is surface water?
1%
What type of animal organism depends on the transparency of water?
phytoplankton
Define: Food Web
a representation of feeding relationships among organisms in an ecological community, including marine and terrestrial organism
(also acceptable - a representation of feeding relationships between the different food chains)
Oceans, rivers, estuarys, lakes, and wetlands
Fill in the blank:
The reason why bubbles are round is because of the surface tension of water and the ___________ of water.
density
Fill in the blank:
Due the the _____________, water can be found in both the atmosphere and on the surface of the earth.
water cycle
What would happen to the food chain of an ocean that has poor water quality and zero transparency? Why?
the animals in the food chain would likely die off because producers would not be able to make food and go extinct, resulting in the extinction of the other animals in the chain