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Chapter 19 And 20 Review No.2
Test Description: Biomes, Cycles, and Succession
Instructions: Answer all questions to get your test result.
1) Bacteria in plant roots perform most nitrogen fixation.
A
True
B
False
2) Which of the following statements is true?
A
Human activity has little or no impact on cycles.
B
Matter is lost in each cycle.
C
Each cycle involves evaporation and condensation.
D
Matter moves between the environment and living things.
3) Primary succession is...?
A
When there is no vegetation in an area.
B
When animals first inhabit an area.
C
When rock turns to soil over time.
D
When the first plant sprouts in an area.
4) Which of these would most likely be a pioneer species?
A
Grass
B
Dirt
C
A flower
D
Lichens
5) Secondary succession is when...?
A
An area with no vegetation gets its first plant.
B
Moss that covers an area.
C
A community of plants regrows.
D
A new species of plants grows in an area.
6) A savanna...?
A
Has large herbivores.
B
Receives rain year round.
C
Has steep mountains.
D
Receives little rain.
7) Biodiversity is...?
A
Well-adapted, slow growing species of plants in an area.
B
The variety of species that are present in an area.
C
The different biomes of the world.
D
The first species to inhabit an area.
8) If water, carbon dioxide, and nitrogen were not recycled, what effects might that have on life on Earth?
A
Species would adapt and learn to live without them.
B
New gases would take their place.
C
Every living thing would eventually die.
D
Some species would adapt and other would live.
9) Plants releasing water vapor is...?
A
Evaporation
B
Transpiration
C
Precipitation
D
Condensation
10) When an animal dies and decomposes, what gases are released?
A
Carbon Dioxide and Nitrogen
B
Carbon Dioxide and Oxygen
C
Oxygen and Nitrogen
D
Glucose and Water
*select an answer for all questions
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