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Distinguish between populations showing concave and convex survivorship curves. What are their typical life history strategies? |
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- List five characteristics of organisms that show a convex survivorship curveDescribe the three types of survivorship curves and relate them to specific populationsDiscuss the types of survivorship curves, explaining the life history features found in organisms possessing different types of curves. Give at least 1 example of each.
- To create a survivorship curve for the Andean condor: Graph Title: Survivorship Curve for Andean Condor Y-axis: Labeled "Survivorship" with indicators for "Low," "Medium," and "High" levels, ranging from 0 to 100% of the total initial cohort size. X-axis: Labeled "Life Span" with stages "Young" (0-5 years), "Middle-aged" (6-37 years), and "Old" (38-75 years). Key Features of the Curve: Begins high, reflecting near-total survival from birth to maturity due to low mortality and protected upbringing. remains flat and high through the middle age, indicating sustained low mortality. shows a steep decline in old age, representing increased mortality as individuals reach the latter part of their lifespan.What is the key characteristic of a population exhibiting a type II survivorship curve? large numbers of small offspring all individuals of all ages have an equal chance of dying younger individuals have a greater chance of survival younger individuals are more likely to die than other individualsUsing the life table: a) what is R0 for this population? b) Based on R0 from your previous answer, is this population :growing, stable or declining? c) what is the most likely survivorship curve for this population? type 1, 2, or 3?
- What is predation? explain and provide example.True or False? a) In Lotka-Volterra competition models, coexistence CANNOT occur if interspecific competition is stronger than intraspecific competition. b)There are three types of survivorship curves that describe mortality rates at different age classes. A type I survivorship curve describes a population with low juvenile mortality, while a type III survivorship curve describes a population with high juvenile mortality.Indicate what type of survivorship curve this is and explain why.