Chapter 4 Environmental Science Review

Which of the following is a biotic factor?

• Sun

• Rock

• Bacteria

• Water

What factor describes when populations increase because animals are moving into a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth

What factor describes when populations decrease because animals are moving out of a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth

What does the graph represent?

• Emigration
• Exponential growth
• Immigration
• Logistic Growth

What does the graph represent?

• Emigration

• Exponential growth

• Immigration

• Logistic Growth

Which of the following describes a population that is distributed evenly across an area?

• random

• uniform

• clumped

• crowded

The largest population size a given environment can sustainably support is known as its

• limiting capacity.

• logistic limit.

• carrying capacity.

• biotic potential.

John takes the subway to work every morning. He enjoys drinking his coffee and talking to people that sit near him. The other people on the subway are an example of what type of factor?

• Abiotic

• Biotic

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

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