Lesson: Eco Limiting Factors

Multiple Choice

The total number of individuals a habitat can survive with the resources it has available.

• Carrying capacity
• Limiting factors
• Resources
• Population

Multiple Choice

What is the carrying capacity of the following graph?

• 1000
• 8000
• 800
• 600

Multiple Select

Choose the 4 limiting factors.

• Food

• Water

• Time

• Space

• Shelter

Multiple Choice

Which would most likely happen to a local population of owls if their food source of field mice were eliminate?

• The owls would immediately starve to death.

• The owls would prey on another similar animal as a food source.

• The owls would live off of stored fat reserves until mice returned to the area.

Multiple Choice

Certain types of worms live in the mud at the bottom of lakes. Which does the mud represent for the worms?

• Community

• Shelter

• Niche

• Food

Multiple Choice

One way to decrease the number of flying insects on your property is to increase bat populations by building bat houses. In this case, which is most likely the factor for the bat population?

• Food

• Water

• Space

• Shelter

Multiple Choice

As populations grow, they tend to spread out into new territory. Which limiting factor is most likely to become an issue?

• Food

• Shelter

• Space

• Water

Multiple Choice

Which limiting factor most affects the population growth of plants in a garden?

• Space between plants

• Number of seeds planted

• Types of tools used in planting

Multiple Choice

Wildlife corridors are areas where wildlife can travel between two natural areas that are separated by urban development, such as highways. The development of wildlife corridors is an attempt to decrease the effect of which factor?

• Excess predators

• Limited shelter

• Limited space

• Excess water

Multiple Choice

If a population of gazelle decrease, the population of cheetahs will...

• Decrease

• Increase

• Stay the same

• Cheetahs don't eat gazelle

Open Ended

How do limiting factors affect populations?

Multiple Choice

If humans destroys all of the Sea Turtles nesting sites, what is going to happen to the Sea Turtles?

• Increase

• Decrease

• Stay the same

• Sea Turtles don't need to nest

Multiple Choice

What would happen to the hedgehog population if more foxes were introduced to the population?

• Increase

• Decrease

• Stay the same

• What are hedgehogs?

Multiple Choice

What would happen the organisms in this food web if there was a severe drought?

• Increase

• Decrease

• Stay the same

• What is a drought?

Multiple Choice

What would happen to the bird population if mouse population increased?

• Increase

• Decrease

• Stay the same

• What is a mouse?

Multiple Choice

What would happen to all organisms on the food web if a disease killed off most of the grass?

• Increase

• Decrease

• Stay the same

• What is a disease?

Multiple Choice

What do limiting factors do?

• Separate biotic factors from abiotic factors.

• Determine which is the predator and which is the prey.

• Regulate how many organisms live in an ecosystem.

• Determine which natural disasters will hit an area.

Multiple Choice

A landslide covers the river’s path. Further downstream, water depletes and fish populations start to go down. In this case the landslide was a limiting factor.

• Weather

• Natural Disaster

• Climate Change

• Global Warming

Multiple Choice

A random cloud forms and fills the rivers with excess water. In one lake biome, the excess rain pulls trees into rivers destroying bird shelters. What is the limiting factor to the biome?

• density-dependent limiting factor

• Weather

• Climate

• Natural Disaster

Multiple Choice

A student brings home a bull toad from the Amazon in Brazil. It gets fat and ugly so he tosses it in the river. This toad starts competing with local toads for their food, shelter, and space. What kind of limiting factor best represents what happened to the local toads?

• Competition

• Overcrowding

• Natural Disaster

• Human Impact