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Name Date Period Lab: Graphing and Interpreting a Survivorship Curve BIOLOGY Background: A survivorship curve is a generalized diagram showing the number of surviving members over time from a measured.

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This guide will assist you in completing the Lab Graphing And Interpreting A Survivorship Curve form online. By following these detailed steps, you will be able to effectively input your data and interpretations of the survivorship curves.

Follow the steps to fill out the form accurately.

  1. Click ‘Get Form’ button to obtain the form and open it in the designated editor.
  2. Begin by entering your name, date, and period in the fields provided at the top of the form. Ensure your entries are accurate and clear.
  3. Refer to Table 1 to start gathering the survivorship data. Make sure to capture the number of survivors as indicated.
  4. In the section for graphing, plot the data from the survivorship tables (types 1, 2, and 3). Create a line graph showing the number of survivors versus the percentage of maximum lifespan. Use different colors for each type and include a key for clarity.
  5. Next, proceed to describe the differences between the three types of survivorship curves. Provide a detailed explanation that highlights the unique characteristics of each type.
  6. Identify the type of organisms that correspond to each survivorship curve. Reference the information available in your biology resources if necessary.
  7. Rank the three survivorship curves based on the birth rates, starting from the lowest to the highest.
  8. Additionally, rank the curves from the lowest to the highest death rates.
  9. Indicate which curve shows an equal chance of dying regardless of age, and provide a rationale for your choice.
  10. Reflect on the relationship between survivorship curves and reproductive strategies. Provide your insights in a few sentences.
  11. Consider the scenario of an organism with ten offspring, where two die each year over five years. Discuss whether this organism is more likely a bird or an insect, along with your reasoning.
  12. Using the constructed graph, estimate the number of cockroaches that would survive by the time they reached 50% of their maximum lifespan.
  13. Lastly, determine the percentage of humans born who will reach age 40, approximately 50% of the maximum lifespan.

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Life tables are used to construct survivorship curves, which are graphs showing the proportion of individuals of a particular age that are now alive in a population. Survivorship (chance of surviving to a particular age) is plotted on the y-axis as a function of age or time on the x-axis.

High birth rates ensure that enough offspring survive to reproduce, ensuring the population sustains itself. In contrast, populations characterized by a Type I survivorship curve often have low birth rates because most offspring survive to reproduce, and very high birth rates result in exponential population growth.

The characteristics and behavior of a species, such as number of offspring produced, its percentage of surviving offspring, and degree of parental care, determine the shape of its survivorship curve.

A survivorship curve shows what fraction of a starting group is still alive at each successive age. For example, the survivorship curve for Dall mountain sheep is shown below: The graph makes it nice and clear that there's a small dip in sheep survival early on, but most of the sheep die relatively late in life.

What can one infer from a relatively linear survivorship curve, and what organism generally exhibits this kind of survivorship curve? The mortality rate is roughly uniform across the lifespan of this organism; birds. Type II survivorship curves are linear.

Type III survivorship shows a concave pattern, where extremely high juvenile attrition subsides once a threshold size is reached at which predation pressure decreases. The few survivors stand to have a long reproductive lifespan and numbers of offspring tend to be moderate to large.

Answer and Explanation: Survivorship curves show the relationship between age and the proportion of the population that survive. Type I curves (convex curve) have a high proportion surviving at a young age and an increase in mortality at old age, this is typical of large mammals.

Individuals with Type I survivorship exhibit high survivorship throughout their life cycle. Populations with Type II survivorship have a constant proportion of individuals dying over time. Populations with Type III survivorship have very high mortality at young ages.

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Form Packages
Adoption
Bankruptcy
Contractors
Divorce
Home Sales
Employment
Identity Theft
Incorporation
Landlord Tenant
Living Trust
Name Change
Personal Planning
Small Business
Wills & Estates
Packages A-Z
Form Categories
Affidavits
Bankruptcy
Bill of Sale
Corporate - LLC
Divorce
Employment
Identity Theft
Internet Technology
Landlord Tenant
Living Wills
Name Change
Power of Attorney
Real Estate
Small Estates
Wills
All Forms
Forms A-Z
Form Library
Customer Service
Terms of Service
Privacy Notice
Legal Hub
Content Takedown Policy
Bug Bounty Program
About Us
Blog
Affiliates
Contact Us
Delete My Account
Site Map
Industries
Forms in Spanish
Localized Forms
State-specific Forms
Forms Kit
Legal Guides
Real Estate Handbook
All Guides
Prepared for You
Notarize
Incorporation services
Our Customers
For Consumers
For Small Business
For Attorneys
Our Sites
US Legal Forms
USLegal
FormsPass
pdfFiller
signNow
airSlate WorkFlow
DocHub
Instapage
Social Media
Call us now toll free:
+1 833 426 79 33
As seen in:
  • USA Today logo picture
  • CBC News logo picture
  • LA Times logo picture
  • The Washington Post logo picture
  • AP logo picture
  • Forbes logo picture
© Copyright 1997-2025
airSlate Legal Forms, Inc.
3720 Flowood Dr, Flowood, Mississippi 39232