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longest feather). You measure wing-length in a population of these birds and find a mean wing-length of 13 cm. You calculate a heritability of wing-length to be 1. That summer, there is a severe drought. Many of the birds die and only a few survive to reproduce. The surviving birds have a mean wing-length of 16 cm. a) What is the predicted mean wing-length of the offspring of the surviving birds? [ Select ] b) What type of selection was acting on wing-length in these birds? [Select ]

longest feather). You measure wing-length in a population of these birds and find a mean wing-length of 13 cm. You calculate a heritability of wing-length to be 1. That summer, there is a severe drought. Many of the birds die and only a few survive to reproduce. The surviving birds have a mean wing-length of 16 cm. a) What is the predicted mean wing-length of the offspring of the surviving birds? [ Select ] b) What type of selection was acting on wing-length in these birds? [Select ]

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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answer choices: 

a) all in cm- 10, -3, 3, 13, 16

b) disruptive selection, stabilizing, directional

c) the answer choices for c are in the image 

A species of bird shows variation in wing-length (measured from the bird's shoulder to the tip of the longest feather). ![Image of a bird with green, blue, and yellow plumage perched on a branch.] You measure wing-length in a population of these birds and find a mean wing-length of 13 cm. You calculate a heritability of wing-length to be 1. That summer, there is a severe drought. Many of the birds die and only a few survive to reproduce. The surviving birds have a mean wing-length of 16 cm. a) What is the predicted mean wing-length of the **offspring** of the surviving birds? [Select] b) What type of selection was acting on wing-length in these birds? [Select] c) Five years later, you go back and measure wing-length in this bird population again. Every bird in the population has a wing-length of 14 cm. What is the heritability of wing-length in this population now? [Select] Dropdown options (visible under question c): - heritability = 0.67 - heritability = 0.34 - heritability = 0 - heritability = 1
Transcribed Image Text:A species of bird shows variation in wing-length (measured from the bird's shoulder to the tip of the longest feather). ![Image of a bird with green, blue, and yellow plumage perched on a branch.] You measure wing-length in a population of these birds and find a mean wing-length of 13 cm. You calculate a heritability of wing-length to be 1. That summer, there is a severe drought. Many of the birds die and only a few survive to reproduce. The surviving birds have a mean wing-length of 16 cm. a) What is the predicted mean wing-length of the **offspring** of the surviving birds? [Select] b) What type of selection was acting on wing-length in these birds? [Select] c) Five years later, you go back and measure wing-length in this bird population again. Every bird in the population has a wing-length of 14 cm. What is the heritability of wing-length in this population now? [Select] Dropdown options (visible under question c): - heritability = 0.67 - heritability = 0.34 - heritability = 0 - heritability = 1
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