3.9A Biomes

Some students set up an aquarium containing water, fish, and plants.  Plants help support the survival of fish because they - 

• remove nutrients from the soil
• use the energy of sunlight
• absorb water from their surroundings
• add needed resources to the water

Some plants fro best in damp environments .  During a severe drought, these plants will most likely- 

• perish
• move
• grow
• thrive

When a hurricane comes ashore, it brings large amounts of salt water with it.  How might this affect the organisms in fresh water environments?

• The plants in the fresh water will move to a new location. 
• The number of organisms in the environment will increase.
• Animals in this environment will begin to grow much larger. 
• Organisms that cannot survive in salty water will not survive.

How might cutting down the trees in a forest environment affect the animals that live there?

• All of the animals in the forest will perish in a short period of time. 
• Animals that cannot find what they need will move.
• The animals will move underground to find what they need.
• Most animals will eat different kinds of food in order to survive.

The table shows the basic needs of a robin.  Which environmental change would be harmful to the survival of a robin?

• Prairie dogs digging tunnels in the ground.
• Beavers building dams across streams.
• Humans clearing forests to build houses.
• Ants building large anthills in a schoolyard.

All the living and nonliving things in an area - 

• Thrive
• Ecosystem
• Population
• Perish

The rising of a body of water that overflows onto normally dry land - 

• Thrive
• Drought
• Ecosystem
• Flood

To die - 

• Perish
• Thrive
• Sustain
• Populate

Long period of dry weather or shortage of rainfall - 

• Flood
• Drought
• Perish
• Thrive

Grow strong or reproduce - 

• Drought
• Flood
• Ecosystem
• Thrive