2.1: Limiting Factors and Pop Growth, 2.2: Comp, Coex, Coop

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Multiple Choice

Water is a universal solvent because it...

• It can be found anywhere
• It freezes when it gets cold
• floats when frozen
• Dissolves most substances

Multiple Choice

Which are the following examples of biological indicators

• Nutrients, hormones, phosphorus, DO, pH

• living organisms

• turbidity, temperature, odour, taste, colour

Multiple Choice

Which photo shows eutrophication on a water body (lake) as a result of human activities that continue to overload water systems with excess nutrients?

Multiple Choice

Any thing or organism that regulates the size of a population of another organism is known as __________.

• a limiting measure
• a limiting factor
• factorization
• materialization of precipitation

Multiple Choice

An example of a population is

• all trees in a forest

• all maple trees in a forest

• all plants in a forest

• all animals in a forest

Multiple Choice

The average number of people per square mile

• population distribution
• population density
• urbanization
• population rate

Multiple Choice

An environmental factor such as storms and extreme heat or cold that decrease a population are considered to be. 

• density- dependent factor
• population density
• dispersion
• density- independent factor

Multiple Choice

Since lynx prey on hares, an increase in the hare population causes an increase in the lynx population.

• Density-Dependent: Competition

• Density-Independent: Competition

• Density-Dependent: Predator-Prey

• Density-Independent: Predator-Prey

Multiple Choice

A severe flood in the Red River Valley causes a decline in the deer population.

• Density-Dependent

• Density-Independent

Multiple Choice

The largest number of individuals that an environment can support long term is...

• carrying capacity

• emigration

• immigration

• population density

Multiple Choice

What happens if a population grows past its carrying capacity?

• The population keeps growing

• The population starts to die off

• The entire species will go extinct

• The carrying capacity just increases

Multiple Choice

What is the carrying capacity of the graph?

• around 500

• more than 800

• less than 300

• around 700

Match

Match the following

• Intraspecific competition

• Interspecific competition

• Coexistence

• Cooperation

• Carrying Capacity

Competition between members of one species for the same resources.

Competition between two or more different species (community) for the same resources.

Two species living together in the same area without competing

Organisms working together toward a common end or purpose

the maximum number of individuals of a species that an ecosystem can supportEL

• Competition between members of one species for the same resources.

• Competition between two or more different species (community) for the same resources.

• Two species living together in the same area without competing

• Organisms working together toward a common end or purpose

• the maximum number of individuals of a species that an ecosystem can supportEL