Chapter 19 And 20 Review No.2: Question Preview (ID: 10607)

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Bacteria in plant roots perform most nitrogen fixation.
a) True
b) False

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) Matter moves between the environment and living things.
d) Each cycle involves evaporation and condensation.

Primary succession is...?
a) When the first plant sprouts in an area.
b) When there is no vegetation in an area.
c) When animals first inhabit an area.
d) When rock turns to soil over time.

Which of these would most likely be a pioneer species?
a) Grass
b) Lichens
c) Dirt
d) A flower

Secondary succession is when...?
a) A community of plants regrows.
b) A new species of plants grows in an area.
c) An area with no vegetation gets its first plant.
d) Moss that covers an area.

A savanna...?
a) Has steep mountains.
b) Receives rain year round.
c) Receives little rain.
d) Has large herbivores.

Biodiversity is...?
a) The variety of species that are present in an area.
b) Well-adapted, slow growing species of plants in an area.
c) The first species to inhabit an area.
d) The different biomes of the world.

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) Some species would adapt and other would live.
c) Every living thing would eventually die.
d) New gases would take their place.

Plants releasing water vapor is...?
a) Condensation
b) Transpiration
c) Evaporation
d) Precipitation

When an animal dies and decomposes, what gases are released?
a) Carbon Dioxide and Oxygen
b) Oxygen and Nitrogen
c) Carbon Dioxide and Nitrogen
d) Glucose and Water

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