Abiotic Factors and the Cycles of Matter

_______________ are the living factors in an environment and may include food sources and other populations.

• Community
• Competition
• Biotic factors
• Population

What are the biotic factors in this image?

• sunlight, elephants, and grasses
• sunlight, water,  and air
• elephants, plants, trees 

Which of the fallowing has only abiotic factors?

• Sunlight, algae, and temperature
• Guppy, crab, oxygen
• Sunlight, soil, and weather
• Algae, temperature, and dog

The Sun is the source of all energy within an ecosystem. Plants depend on light from the sun in order to perform the process of photosynthesis. Sunlight is an example of what type of factor?

• Biotic

• Abiotic

Termites are tiny insects that can cause severe damage to homes and other structures that consist of wood. Termites are an example of what type of factor.

• Biotic

• Abiotic

Air is a mixture of colorless gases. The air that makes up the Earth's atmosphere consists primarily of nitrogen and oxygen. Air is an example of which type of factor?

• Biotic

• Abiotic

What is the energy source for the water cycle?

• sun

• wind

• rain

• oceans

What are the main components of the water cycle? Check All that apply.

• runoff

• transpiration

• evaporation

• condensation

• precipitation

When water vapor s cooled and forms droplets-

• Condensation
• Evaportation
• Transpiration
• Run-off

After condensation, the droplets of water in the clouds fall to the earth in different forms

• precipitation 
• condensation
• evaporation 
• ground water