6.7--Abiotic and Biotic Factors

Lightning is...

• abiotic factor
• biotic factor

Building roads and new buildings can...

• cause greater erosion
• prevent erosion

________ is the process in which rocks and soil are dropped.

• weathering
• erosion
• deposition

Trees and mushrooms are...

• abiotic factor
• biotic factor

Living factors in an ecosystem are...

• abiotic factor
• biotic factor

A dead animal is...

• abiotic factor
• biotic factor

Areas of higher elevations, such as ________, separate watersheds.

• ridgelines and divides
• rivers and streams
• estuary 
• ecosystem

Planting grass can...

• cause greater erosion
• prevent erosion

Which of the following is an ABIOTIC factor?

• mushrooms
• mosquitoes
• trees
• sunlight

Planting new trees to replace the ones cut down can...

• cause greater erosion
• prevent erosion