NEW
Font size
S
M
L
XL
WorksheetsCh. 4 Ecosystems & Biomes
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
The continuous movement of water between Earth's surface and the air is the:
a)
Water Cycle
b)
Carbon Cycle
c)
Nitrogen Cycle
d)
Bicycle
2.
The process that involves the continuous exchange of carbon among living things is the:
a)
Water Cycle
b)
Carbon Cycle
c)
Nitrogen Cycle
d)
Bicycle
3.
The process that involves trapping a gas into compounds in the soil is the:
a)
Water Cycle
b)
Carbon Cycle
c)
Nitrogen Cycle
d)
Bicycle
4.
The process of an ecosystem changing into a different ecosystem is called:
a)
Pioneer Species
b)
Climax Community
c)
Succession
d)
Intermediate Community
5.
The first species to live in an otherwise lifeless area is the:
a)
Pioneer Species
b)
Climax Community
c)
Succession
d)
Intermediate Community
6.
The final stage of succession is the:
a)
Pioneer Species
b)
Climax Community
c)
Succession
d)
Intermediate Community
7.
When the last member dies, a species becomes what?
a)
Extinct
b)
Endangered
c)
Threatened
d)
Invasive
8.
When a species is in danger of becoming extinct, it is what?
a)
Extinct
b)
Endangered
c)
Threatened
d)
Invasive
9.
When a species has low numbers and could become endangered, it is what?
a)
Extinct
b)
Endangered
c)
Threatened
d)
Invasive
10.
Major land ecosystems of Earth are known as what?
a)
Biomes
b)
Oceans
c)
Continents
d)
Habitats
11.
A cool forest biome containing coniferous evergreen trees is called what?
a)
Taiga
b)
Alpine Tundra
c)
Arctic
d)
Desert
12.
What covers 70% of Earth's surface?
a)
Biomes
b)
Oceans
c)
Continents
d)
Habitats
13.
The changing of a liquid into a gas is called:
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Transpiration
14.
Precipitation that flows into rivers, lakes, and streams is called:
a)
Groundwater
b)
Runoff
c)
Floodwater
d)
Condensation
15.
Nitrogen-fixing bacteria in soil turn nitrogen gas into:
a)
Water
b)
Oxygen
c)
Carbon Dioxide
d)
Ammonia
16.
The formation of a new community where another community already exists is:
a)
Pioneer Species
b)
Climax Community
c)
Primary Succession
d)
Secondary Succesion
17.
A pioneer species that often makes up a pioneer community is:
a)
Soil
b)
Squirrel
c)
Maple Tree
d)
Moss
18.
Which is not an example of a natural environmental change?
a)
Earthworm activity
b)
A flood
c)
A parking lot
d)
A tornado
19.
Which biome contains mostly sand and rocks?
a)
Arctic
b)
Grassland
c)
Desert
d)
Taiga
20.
Which biome experiences permafrost?
a)
Arctic
b)
Grassland
c)
Desert
d)
Taiga
21.
Compared with a temperate deciduous forest, a grassland has:
a)
Less rainfall
b)
Poorer soil
c)
A warmer climate
d)
Less wildlife
22.
Compared with a tropical rain forest, a desert has:
a)
More rainfall
b)
Better soil
c)
A warmer climate
d)
Less wildlife
23.
Which biome is very "biodiverse" and supports the most animal life?
a)
Grassland
b)
Tropical Rain Forest
c)
Alpine Tundra
d)
Desert
24.
Which organisms appear in the "Pioneer Community" during primary succession?
a)
Lichens & Mosses
b)
Trees
c)
Grasses & Shrubs
25.
Which organisms appear in the "Intermediate Community" during primary succession?
a)
Lichens & Mosses
b)
Trees
c)
Grasses & Shrubs
26.
Which organisms appear in the "Climax Community" during primary succession?
a)
Lichens & Mosses
b)
Trees
c)
Grasses & Shrubs
27.
"Savanna" is another name for which biome?
a)
Tropical Taiga
b)
Tropical Grassland
c)
Tropical Tundra
d)
Tropical Forest
28.
The changing of a gas into a liquid is called:
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Transpiration
29.
The process of water falling from the atmosphere is called:
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Transpiration
30.
The formation of a new community where few living things exist is known as:
a)
Pioneer Species
b)
Climax Community
c)
Primary Succession
d)
Secondary Succession
31.
Water that is stored underground is called:
a)
Groundwater
b)
Runoff
c)
Floodwater
d)
Condensation
32.
What gas is expelled during respiration?
a)
Carbon Dioxide
b)
Nitrogen
c)
Oxygen
d)
Hydrogen
33.
What gas is needed for photosynthesis?
a)
Carbon Dioxide
b)
Nitrogen
c)
Oxygen
d)
Hydrogen
34.
What is NOT one of the ways that nitrogen is fixed?
a)
Lightning
b)
Volcanic Activity
c)
Bacteria
d)
Plant Consumption
35.
What is the main difference between primary and secondary succession?
a)
The climax of primary succession is pine forest.
b)
Primary succession begins with bare rock.
c)
Secondary succession begins with mosses and lichens.
d)
Secondary succession includes frequent fires.
36.
Which biome has a hot climate all year and a great deal of rain?
a)
Alpine Tundra
b)
Desert
c)
Tropical Rain Forest
d)
Temperate Deciduous Forest
37.
What is NOT one of the ways that nitrogen is fixed?
a)
Volcanic Activity
b)
Combustion
c)
Plant intake
d)
Lightning
38.
What types of plants would you find in a grassland?
a)
Trees
b)
Shrubs
c)
Grass
d)
No plant life
39.
Which of these biomes has the most precipitation?
a)
Desert
b)
Arctic
c)
Grassland
d)
Temperate Deciduous Forest
40.
Which biome is known for having droughts and fires?
a)
Taiga
b)
Arctic
c)
Temperate Deciduous Forest
d)
Grassland
Reset
