[Template] Population Ecology

Multiple Choice

Which of the following is NOT considered an abiotic factor in an ecosystem?

• Water

• Light

• Animals

• Temperature

Multiple Choice

Which of the following is NOT an example of a biotic factor?

• Tiger

• Bacteria

• Tree

• Sun

Multiple Select

Which of the following are abiotic factors?

• Temperature

• Plants

• Rainfall

• Oxygen

Multiple Select

Which of the following are examples of density dependent factors?

• Competition for resources

• Floods

• Predation

• Disease spread

Multiple Choice

Which of the following is a density-dependent factor affecting population size?

• Drought

• Flooding

• Predation

• Earthquake

Multiple Choice

Using the word bank, classify each factor as either density dependent or density independent.

• Competition for food source: Density dependent; Earthquake related tsunami: Density independent; Influenza epidemic: Density dependent; Flooding: Density independent; Change in number of predators: Density dependent

• Competition for food source: Density independent; Earthquake related tsunami: Density dependent; Influenza epidemic: Density independent; Flooding: Density dependent; Change in number of predators: Density independent

• Competition for food source: Density dependent; Earthquake related tsunami: Density dependent; Influenza epidemic: Density independent; Flooding: Density dependent; Change in number of predators: Density independent

• Competition for food source: Density independent; Earthquake related tsunami: Density independent; Influenza epidemic: Density dependent; Flooding: Density dependent; Change in number of predators: Density dependent

Multiple Choice

Which of the following best describes an ecosystem?

• A group of the same species living together

• All biotic and abiotic factors in an area

• Two species living together

• The entire earth

Multiple Choice

Which of the following best describes the difference between exponential growth and carrying capacity in population dynamics?

• Exponential growth results in unlimited population increase, while carrying capacity is the maximum population size an environment can sustain.

• Exponential growth is a decrease in population size, while carrying capacity is the minimum population size.

• Exponential growth only occurs in small populations, while carrying capacity only applies to large populations.

• Exponential growth is the same as carrying capacity.

Hotspot

Which line represents the carrying capacity of this population?

Labelling

Label levels

Drag labels to their correct position on the image

Ecosystem

Biosphere

Community

Population

Organism

Match

Match the following

• cow

• cow and egret

• cow, egret, and pond

• herd of cattle

organism

community

ecosystem

population

• organism

• community

• ecosystem

• population

Multiple Choice

What is an example of a density-dependent factor affecting a population?

• A flood affecting an entire ecosystem.

• A disease spreading in densely populated areas.

• Temperature fluctuations affecting a habitat.

• Earthquakes damaging a region.

Multiple Choice

Which of the following would be least likely to be affected by a density-dependent limiting factor?

• a population with a high birth rate

• a small, scattered population

• a large, dense population

• a population with a high immigration rate

Match

Match the following

• Anything that stops a population from growing beyond what the environment can support

• Things that cannot live (like rocks, water, temperature)

• Things that can live (plants, animals, bacteria)

• Anything that helps an organism survive in its environment

Limiting factor

Abiotic factor

Biotic factor

Adaptation

• Limiting factor

• Abiotic factor

• Biotic factor

• Adaptation

Match

Match the following

• species average population size in particular habitat

• factors that affect the growth rate of a population differently depending on how dense the population already is

• any limiting factor that affects population size regardless of the density of the population

• physical factors that shape ecosystems

• living parts of the ecosystem

carrying capacity

density dependent limiting factor

density independent limiting factor

abiotic factors

biotic factors

• carrying capacity

• density dependent limiting factor

• density independent limiting factor

• abiotic factors

• biotic factors

Match

Match the definition to the correct term.

• Movement of individuals INTO an area occupied by an existing population

• A limiting factor that reduces carrying capacity which depends on population density

• A limiting factor that affects the population in similar ways regardless of population density

• Movement of individuals OUT of an area

• Area in which an organism lives, including the biotic and abiotic factors that affect it 

Immigration

Density-dependent limiting factors

Density- independent limiting factors

Emigration

Habitat

• Immigration

• Density-dependent limiting factors

• Density- independent limiting factors

• Emigration

• Habitat

Categorize

Options (7)

food availability

disease

predation

temperature

fire

weather

pollution

Organize these Limiting Factors into the correct categories

Density Dependent

Density Independent