Show:
Water Cycle
Carbon & Nitrogen cycle
Changes in Ecosystem
Biome Characteristics
Water Eco. Characteristics
100
What type of energy does the water cycle need?
Sun
100
how is carbon put in the air by us?
respiration
100
what are two major causes that can change an ecosystem?
Natural events or human actions
100
What is an animal that is badger like in a taiga biome?
Wolverines
100
The percent of Earth's salty water is ______.
97%
200
What is the water cycle's purpose?
To reuse water
200
what percent of nitrogen is in the air
75%
200
Why is pollution dangerous?
Damages the water and the soil
200
In tropical rain forests the air is _______ and ________.
Hot and humid
200
What are benthos?
Large creatures of the sea
300
What is it called when water evaporates from the plants leaves?
Transpiration
300
what happens when we burn coal?
carbon is released
300
Why is it dangerous to bring new species to a ecosystem?
The new species can be spread and grow in numbers and not be damaged because it does not have a predator.
300
The deciduous forest trees are ________.
Hardwood
300
What type of water are in a estuary?
Salt and fresh water
400
________ and _________ also have a role in the water cycle
Plants and Animals
400
where do cells gets nitrogen
the soil
400
How many species are predicted to be extincted each year?
1000 species
400
Where are rain forests found often?
The temperate zone
400
What is the darkest zone in the sea?
Abyssal zone
500
How do clouds get heavy?
Lack of energy
500
what precent of your body is carbon
18%
500
Why is their no tasmanian wolf not found today?
Human actions
500
In grasslands grass is the dominant plant because of?
Low precipitation
500
What types of freshwater are their?
Running water, Standing water, and Wetlands