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Carrying Capacity and Limiting Factors 3 Worksheets, Exercises of Ecology and Environment

April 2015 documents with 3 worksheets on carrying capacity

Typology: Exercises

2020/2021

Uploaded on 04/20/2021

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Carrying Capacity and Limiting Factors Worksheet 1
1. Define carrying capacity:
2. In the graph below, the carrying capacity is rabbits.
3. How many rabbits were in the population in:
4 years? 6 years? 7 years?
4. How many years did it take for the rabbits to reach their carrying capacity?
Explain how you decide on this.
5a) Define limiting factors
Carrying
capacity
number of
rabbits
pf3
pf4
pf5

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Carrying Capacity and Limiting Factors – Worksheet 1

  1. Define carrying capacity:
  2. In the graph below, the carrying capacity is rabbits.
  3. How many rabbits were in the population in:

4 years? 6 years? 7 years?

  1. How many years did it take for the rabbits to reach their carrying capacity?

Explain how you decide on this.

5a) Define limiting factors

Carrying capacity

number of rabbits

b) List as many biotic and abiotic factors that affect the carrying capacity of an ecosystem (in other words limits the number of individuals in a population).

BIOTIC FACTORS ABIOTIC FACTORS

c) Organize your factors in the following arrows to show if they increase or decrease the number of individuals an ecosystem can support. You may need to include words like increase, or decrease. Some factors can go in both arrows

  1. Predict how the carrying capacity of the rabbit population would change if there was a drought that killed much of the grass that the rabbits eat for food. Draw a line showing where you think the new carrying capacity will be.

Number of

Frogs

ECOLOGIST CONFERENCE – Worksheet 3

You are a park ecologist who has just received environmental monitoring data in the form of graphs from your field technician. You now have to determine what is happening to the populations of a number of species in your park.

Look at each of the following graphs and see if you can describe the story they are telling. What is happening to the populations and carrying capacity for each? Confer with your fellow ecologist and brainstorm to come up with reasons behind the story of the graph. Be ready to share and defend your reasons with all the other ecologists in the park.

1a)

b)

c)

Time (months)

Time →

Number of

Deer

population carrying capacity