U8: Factors affecting Earth's Systems Review

Which catastrophic event is known for causing storm surges that lead to flooding in coastal areas?

• Tornado

• Earthquake

• Hurricane

• Volcano

What is a primary effect from a flood creating soil erosion along rivers on plant life?

• Increased plant growth

• Enhanced soil fertility

• Prevention of sunlight reaching plants

• More water absorption by plants

Which two impacts of flash floods on ecosystems are true?

• All organisms will perish

• The ecosystem undergoes primary succession

• Animals relocate to new habitats

• Secondary succession occurs with minimal life

How do droughts predominantly affect grassland biomes?

• Deposition of large amounts of sediment can occur after a drought.

• Droughts can result in a loss of vegetation due to lack of rain.

• Droughts can result in a large transport of organisms into new habitats.

• Soil erosion can occur after a drought due to higher winds.

During a landslide, what is most likely to happen to the animals affected by it?

• They develop new adaptations

• They uncover all the plants

• They move to a new area

• They develop a new diet

Which catastrophic events would most significantly impact grassland biomes?

• Tornado and Hurricane

• Earthquake and Volcanoes

• Drought and Fire caused by lightning

• Hurricane and Earthquake

When oil spills in the ocean, which 2 of the following is LEAST affected?

• Plants along the shoreline

• Fishermen in the area

• Migratory birds

• Animals that live in Alaskan forest

Floods, tornados, and hurricanes can harm an ecosystem by (2 answers):

• Removal of groundwater

• Soil erosion

• Increase biodiversity through secondary succession

• Animals forced into new ecosystems

Which 2 of the following is a benefit to an ecosystem from floods, tornados, and hurricanes?

• Replenishing groundwater

• Soil being deposited in a new environment

• Increase biodiversity through secondary succession

• Animals creating a habitat elsewhere

What type of natural disaster is characterized by a violently spinning air column that travels over land?

• Hurricane

• Earthquake

• Tornado

• Tsunami